Operation

{
    "uuid": "095be615-a8ad-4c33-8e9c-c7612fbf6c9f",
    "type": "message.send",
    "status": "queued",
    "result": {
        "property1": "string",
        "property2": "string"
    },
    "error": {
        "code": "string",
        "message": "string"
    },
    "created_at": "2019-08-24T14:15:22.123Z",
    "started_at": "2019-08-24T14:15:22.123Z",
    "completed_at": "2019-08-24T14:15:22.123Z"
}