This is what telnyx came back to me that the post to me
"event_type": "message.received", "occurred_at": "2020-02-10T23:00:12.763+00:00", "urls": ["https://fs.xxxxxxx.cloud/app/sms/hook/sms_hook_telnyx.php", ""], "organization_id": "6179b643-88fc-45be-8ad8-7918cffca6d3", "payload"...