ChatMessageResponse

{
    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
    "session_id": "1ffd059c-17ea-40a8-8aef-70fd0307db82",
    "user_id": "a169451c-8525-4352-b8ca-070dd449a1a5",
    "username": "string",
    "message": "string",
    "recipient_id": "b6731cb5-d462-49ea-afb8-7933b670b560",
    "recipient_username": "string",
    "is_direct": true,
    "created_at": "2019-08-24T14:15:22.123Z"
}