| Name | Type | Description | Notes |
|---|---|---|---|
| created_at | str | A date-time field in ISO-8601 format and UTC timezone. | |
| fiscal_code | str | User's fiscal code. | |
| id | str | ||
| sender_service_id | str | ||
| time_to_live | int | This parameter specifies for how long (in seconds) the system will try to deliver the message to the channels configured by the user. | [optional] |