Accept an invitation

{
  "data": "data",
  "custom_type": "custom_type",
  "channel": {
    "cover_url": "cover_url",
    "data": "data",
    "custom_type": "custom_type",
    "max_length_message": 6,
    "name": "name",
    "created_at": 0,
    "member_count": 1,
    "channel_url": "channel_url"
  },
  "disappearing_message": {
    "is_triggered_by_message_read": true,
    "message_survival_seconds": 6
  },
  "created_at": 5,
  "is_super": true,
  "last_message": {
    "data": "data",
    "message_events": {
      "update_last_message": true,
      "update_mention_count": true,
      "send_push_notification": "send_push_notification",
      "update_unread_count": true
    },
    "custom_type": "custom_type",
    "is_reply_to_channel": true,
    "created_at": 7,
    "is_removed": true,
    "type": "type",
    "req_id": "req_id",
    "file": "{}",
    "updated_at": 3,
    "translations": "{}",
    "thread_info": "{}",
    "mentioned_users": [
      {
        "metadata": "{}",
        "require_auth_for_profile_image": true,
        "is_active": true,
        "role": "",
        "user_id": "user_id",
        "profile_url": "profile_url",
        "nickname": "nickname",
        "is_blocked_by_me": true
      },
      {
        "metadata": "{}",
        "require_auth_for_profile_image": true,
        "is_active": true,
        "role": "",
        "user_id": "user_id",
        "profile_url": "profile_url",
        "nickname": "nickname",
        "is_blocked_by_me": true
      }
    ],
    "channel_type": "channel_type",
    "message_survival_seconds": 9,
    "silent": true,
    "parent_message_id": 4,
    "parent_message_info": {
      "file": {
        "file_name": "file_name",
        "file_type": "file_type",
        "require_auth": true,
        "thumbnails": [
          {
            "real_width": 1,
            "width": 1,
            "plain_url": "plain_url",
            "real_height": 1,
            "url": "url",
            "height": 7
          },
          {
            "real_width": 1,
            "width": 1,
            "plain_url": "plain_url",
            "real_height": 1,
            "url": "url",
            "height": 7
          }
        ],
        "url": "url",
        "file_size": 4
      },
      "custom_type": "custom_type",
      "files": [
        {
          "file_name": "file_name",
          "file_type": "file_type",
          "require_auth": true,
          "thumbnails": [
            {
              "real_width": 1,
              "width": 1,
              "plain_url": "plain_url",
              "real_height": 1,
              "url": "url",
              "height": 7
            },
            {
              "real_width": 1,
              "width": 1,
              "plain_url": "plain_url",
              "real_height": 1,
              "url": "url",
              "height": 7
            }
          ],
          "url": "url",
          "file_size": 4
        },
        {
          "file_name": "file_name",
          "file_type": "file_type",
          "require_auth": true,
          "thumbnails": [
            {
              "real_width": 1,
              "width": 1,
              "plain_url": "plain_url",
              "real_height": 1,
              "url": "url",
              "height": 7
            },
            {
              "real_width": 1,
              "width": 1,
              "plain_url": "plain_url",
              "real_height": 1,
              "url": "url",
              "height": 7
            }
          ],
          "url": "url",
          "file_size": 4
        }
      ],
      "message": "message",
      "type": "type",
      "user": {
        "metadata": "{}",
        "is_active": true,
        "preferred_languages": [
          "preferred_languages",
          "preferred_languages"
        ],
        "require_auth_for_profile_image": true,
        "unread_channel_count": 6,
        "discovery_keys": [
          "discovery_keys",
          "discovery_keys"
        ],
        "profile_url": "profile_url",
        "is_created": true,
        "created_at": 9,
        "has_ever_logged_in": true,
        "locale": "locale",
        "unread_message_count": 8,
        "access_token": "access_token",
        "is_shadow_blocked": true,
        "user_id": "user_id",
        "nickname": "nickname",
        "phone_number": "phone_number",
        "is_online": true,
        "state": "",
        "is_hide_me_from_friends": true,
        "last_seen_at": 9
      },
      "ts": 5
    },
    "require_auth": true,
    "message_id": 1,
    "sorted_metaarray": [
      {
        "value": [
          "value",
          "value"
        ],
        "key": "key"
      },
      {
        "value": [
          "value",
          "value"
        ],
        "key": "key"
      }
    ],
    "mention_type": "mention_type",
    "message": "message",
    "channel_url": "channel_url",
    "is_op_msg": true,
    "message_retention_hour": 6,
    "extended_message_payload": null,
    "files": [
      {
        "file_name": "file_name",
        "file_type": "file_type",
        "require_auth": true,
        "thumbnails": [
          {
            "real_width": 1,
            "width": 1,
            "plain_url": "plain_url",
            "real_height": 1,
            "url": "url",
            "height": 7
          },
          {
            "real_width": 1,
            "width": 1,
            "plain_url": "plain_url",
            "real_height": 1,
            "url": "url",
            "height": 7
          }
        ],
        "url": "url",
        "file_size": 4
      },
      {
        "file_name": "file_name",
        "file_type": "file_type",
        "require_auth": true,
        "thumbnails": [
          {
            "real_width": 1,
            "width": 1,
            "plain_url": "plain_url",
            "real_height": 1,
            "url": "url",
            "height": 7
          },
          {
            "real_width": 1,
            "width": 1,
            "plain_url": "plain_url",
            "real_height": 1,
            "url": "url",
            "height": 7
          }
        ],
        "url": "url",
        "file_size": 4
      }
    ],
    "reactions": [
      {
        "updated_at": 2,
        "user_ids": [
          "user_ids",
          "user_ids"
        ],
        "key": "key"
      },
      {
        "updated_at": 2,
        "user_ids": [
          "user_ids",
          "user_ids"
        ],
        "key": "key"
      }
    ],
    "user": {
      "metadata": "{}",
      "require_auth_for_profile_image": true,
      "is_active": true,
      "role": "",
      "user_id": "user_id",
      "profile_url": "profile_url",
      "nickname": "nickname",
      "is_blocked_by_me": true
    }
  },
  "is_discoverable": true,
  "joined_member_count": 7,
  "freeze": true,
  "is_distinct": true,
  "operators": [
    {
      "metadata": "{}",
      "is_active": true,
      "preferred_languages": [
        "preferred_languages",
        "preferred_languages"
      ],
      "require_auth_for_profile_image": true,
      "unread_channel_count": 6,
      "discovery_keys": [
        "discovery_keys",
        "discovery_keys"
      ],
      "profile_url": "profile_url",
      "is_created": true,
      "created_at": 9,
      "has_ever_logged_in": true,
      "locale": "locale",
      "unread_message_count": 8,
      "access_token": "access_token",
      "is_shadow_blocked": true,
      "user_id": "user_id",
      "nickname": "nickname",
      "phone_number": "phone_number",
      "is_online": true,
      "state": "",
      "is_hide_me_from_friends": true,
      "last_seen_at": 9
    },
    {
      "metadata": "{}",
      "is_active": true,
      "preferred_languages": [
        "preferred_languages",
        "preferred_languages"
      ],
      "require_auth_for_profile_image": true,
      "unread_channel_count": 6,
      "discovery_keys": [
        "discovery_keys",
        "discovery_keys"
      ],
      "profile_url": "profile_url",
      "is_created": true,
      "created_at": 9,
      "has_ever_logged_in": true,
      "locale": "locale",
      "unread_message_count": 8,
      "access_token": "access_token",
      "is_shadow_blocked": true,
      "user_id": "user_id",
      "nickname": "nickname",
      "phone_number": "phone_number",
      "is_online": true,
      "state": "",
      "is_hide_me_from_friends": true,
      "last_seen_at": 9
    }
  ],
  "members": [
    {
      "metadata": "{}",
      "is_active": true,
      "is_blocking_me": true,
      "require_auth_for_profile_image": true,
      "role": "",
      "profile_url": "profile_url",
      "muted_end_at": 2,
      "delivered_ts": 9,
      "do_not_disturb": true,
      "is_muted": true,
      "read_ts": 4,
      "is_blocked_by_me": true,
      "friend_name": "friend_name",
      "friend_discovery_key": [
        "friend_discovery_key",
        "friend_discovery_key"
      ],
      "muted_description": "muted_description",
      "push_enabled": true,
      "user_id": "user_id",
      "nickname": "nickname",
      "is_online": true,
      "push_trigger_option": null,
      "state": "",
      "last_seen_at": 3
    },
    {
      "metadata": "{}",
      "is_active": true,
      "is_blocking_me": true,
      "require_auth_for_profile_image": true,
      "role": "",
      "profile_url": "profile_url",
      "muted_end_at": 2,
      "delivered_ts": 9,
      "do_not_disturb": true,
      "is_muted": true,
      "read_ts": 4,
      "is_blocked_by_me": true,
      "friend_name": "friend_name",
      "friend_discovery_key": [
        "friend_discovery_key",
        "friend_discovery_key"
      ],
      "muted_description": "muted_description",
      "push_enabled": true,
      "user_id": "user_id",
      "nickname": "nickname",
      "is_online": true,
      "push_trigger_option": null,
      "state": "",
      "last_seen_at": 3
    }
  ],
  "max_length_message": 9,
  "id": 2,
  "member_count": 6,
  "message_survival_seconds": 3,
  "has_ai_bot": true,
  "cover_url": "cover_url",
  "is_ephemeral": true,
  "unread_mention_count": 1,
  "created_by": {
    "metadata": "{}",
    "require_auth_for_profile_image": true,
    "is_active": true,
    "role": "",
    "user_id": "user_id",
    "profile_url": "profile_url",
    "nickname": "nickname",
    "is_blocked_by_me": true
  },
  "has_bot": true,
  "unread_message_count": 2,
  "channel_url": "channel_url",
  "is_broadcast": true,
  "is_public": true,
  "name": "name",
  "read_receipt": {
    "key": 6
  },
  "sms_fallback": {
    "exclude_user_ids": [
      "exclude_user_ids",
      "exclude_user_ids"
    ],
    "wait_seconds": 1
  },
  "ignore_profanity_filter": true,
  "delivery_receipt": {
    "key": 5
  },
  "is_access_code_required": true
}