JSON sent:
{"app_id":"6b5ae8dd-3b56-4960-9922-f78b61e59499","included_segments":["Subscribed Users"],"data":{"foo":"bar"},"contents":{"en":"Test Content"},"headings":{"en":"Test Heading"},"big_picture":"https:\/\/api.iconxtechnologies.in\/Arabian_hut\/img\/logo.jpg"}Array
(
    [id] => 
    [errors] => Array
        (
            [0] => All included players are not subscribed
        )

    [warnings] => Array
        (
            [0] => FCM Errors: (FCM API (V1) Update Required) Your Android audience has stopped receiving messages. You must update your Firebase account. It takes just a few minutes when you follow our guide.
        )

)


JSON received:
{"allresponses":"{\"id\":\"\",\"errors\":[\"All included players are not subscribed\"],\"warnings\":[\"FCM Errors: (FCM API (V1) Update Required) Your Android audience has stopped receiving messages. You must update your Firebase account. It takes just a few minutes when you follow our guide.\"]}"}