MessageResource(MessageResource)

{
    "id": 0,
    "sender_type": "string",
    "body": "string",
    "image": "string",
    "client_message_id": "string",
    "answer": {
        "outcome": "string",
        "handoff_reason": "string",
        "helpful": "string",
        "page": "string",
        "sources": [
            null
        ]
    },
    "created_at": "string"
}