Create user registration inbox entry

Example response

{
  "data": {
    "id": 1,
    "uuid": "c99506a6-1255-4b71-afa5-7b8ba48c3b1b",
    "user_id": 1,
    "created": "2022-01-05T11:19:26+00:00",
    "modified": "2022-01-05T11:19:26+00:00",
    "user": {
      "id": 1,
      "uuid": "c99506a6-1255-4b71-afa5-7b8ba48c3b1b",
      "username": "admin",
      "role_id": 1,
      "individual_id": 1,
      "created": "2022-01-05T11:19:26+00:00",
      "modified": "2022-01-05T11:19:26+00:00",
      "organisation_id": 1,
      "organisation": {
        "id": 1,
        "uuid": "c99506a6-1255-4b71-afa5-7b8ba48c3b1b",
        "created": "2022-01-05T11:19:26+00:00",
        "modified": "2022-01-05T11:19:26+00:00",
        "tags": [
          {
            "id": 1,
            "name": "white",
            "namespace": "tlp",
            "colour": "FFFFFF",
            "text_colour": "white",
            "created": "2022-01-05T11:19:26+00:00",
            "modified": "2022-01-05T11:19:26+00:00"
          }
        ]
      },
      "individual": {
        "id": 1,
        "uuid": "c99506a6-1255-4b71-afa5-7b8ba48c3b1b",
        "email": "user@example.com",
        "first_name": "John",
        "last_name": "Doe",
        "full_name": "John Doe",
        "position": "Security Analyst",
        "tags": [
          {
            "id": 1,
            "name": "white",
            "namespace": "tlp",
            "colour": "FFFFFF",
            "text_colour": "white",
            "created": "2022-01-05T11:19:26+00:00",
            "modified": "2022-01-05T11:19:26+00:00"
          }
        ],
        "created": "2022-01-05T11:19:26+00:00",
        "modified": "2022-01-05T11:19:26+00:00"
      },
      "role": {
        "id": 1,
        "name": "admin"
      }
    }
  },
  "message": "User account creation requested. Please wait for an admin to approve your account."
}