Array
(
    [0] => Array
        (
            [code] => 404
            [data] => stdClass Object
                (
                    [error] => stdClass Object
                        (
                            [code] => 404
                            [message] => Requested entity was not found.
                            [status] => NOT_FOUND
                            [details] => Array
                                (
                                    [0] => stdClass Object
                                        (
                                            [@type] => type.googleapis.com/google.firebase.fcm.v1.FcmError
                                            [errorCode] => UNREGISTERED
                                        )

                                )

                        )

                )

            [jsonData] => {
  "error": {
    "code": 404,
    "message": "Requested entity was not found.",
    "status": "NOT_FOUND",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "UNREGISTERED"
      }
    ]
  }
}
            [error] => NO_ERROR
        )

)