{"id": "wamid.HBgNNjI4NTczMTc0MzAzMxUCABEYEkQ5MkVCQjhDQzkyQjU3NzFERAA=", "errors": [{"code": 130472, "href": "https://developers.facebook.com/docs/whatsapp/cloud-api/support/error-codes/", "title": "User's number is part of an experiment", "message": "User's number is part of an experiment", "error_data": {"details": "Failed to send message because this user's phone number is part of an experiment"}}], "status": "failed", "timestamp": "1767604530", "recipient_id": "6285731743033"}