Create a JWT

Available scopes:

• user_id:<user-id> - Defines which user the token will be scoped to. Multiple can be listed if needed. Ex user_id:pigeon user_id:bluebird.
• read:messages - Read messages.
• read:user-tokens - Read user push tokens.
• write:user-tokens - Write user push tokens.
• read:brands[:<brand_id>] - Read brands, optionally restricted to a specific brand_id. Examples read:brands, read:brands:my_brand.
• write:brands[:<brand_id>] - Write brands, optionally restricted to a specific brand_id. Examples write:brands, write:brands:my_brand.
• inbox:read:messages - Read inbox messages.
• inbox:write:events - Write inbox events, such as mark message as read.
• read:preferences - Read user preferences.
• write:preferences - Write user preferences. Example: user_id:user123 write:user-tokens inbox:read:messages inbox:write:events read:preferences write:preferences read:brands

Duration for token expiration. Accepts various time formats:

• "2 hours" - 2 hours from now
• "1d" - 1 day
• "3 days" - 3 days
• "10h" - 10 hours
• "2.5 hrs" - 2.5 hours
• "1m" - 1 minute
• "5s" - 5 seconds
• "1y" - 1 year