api.commons.OmniTextMessage(OmniTextMessage)

{
    "message": "string",
    "attachments": [
        {
            "omni_attachment_sid": 0,
            "name": "string",
            "file_type": "string",
            "file_size": 0,
            "path": "string",
            "temp_id": "string",
            "download_url": "string",
            "date_created": "1s",
            "date_modified": "1s",
            "content_id": "string",
            "width": "string",
            "height": "string"
        }
    ],
    "primary_asm_session_sid": "string"
}