createTextMessageInput

{
    "modified": "2019-01-01T00:00:00",
    "created": "2019-01-01T00:00:00",
    "chat_conversation_id": "01234567-abcd-dcba-ffff-000000000000",
    "content": "string",
    "datetime_sent": "2019-01-01T00:00:00",
    "direction": 1,
    "message_sid": "string",
    "score": 1,
    "status": 1,
    "text_message_conversation_id": "01234567-abcd-dcba-ffff-000000000000",
    "revision": 1,
    "attachments": [
        {
            "id": "http://example.com"
        }
    ]
}