JSON sent: {"app_id":"18b943e6-801b-4783-9e0d-204b6e3825f4","data":{"foo":"bar"},"filters":[{"field":"tag","key":"email","relation":"=","value":"stien@thefiftyone.com"}],"contents":{"en":"Your order is ready for pick up!"}} JSON received: {"allresponses":"{\"id\":\"\",\"recipients\":0,\"errors\":[\"All included players are not subscribed\"]}"}