Array
(
    [subscription] => Minishlink\WebPush\Subscription Object
        (
            [endpoint:Minishlink\WebPush\Subscription:private] => https://fcm.googleapis.com/fcm/send/fck2XnzgNQQ:APA91bH5b8BZPMXQtzxO1DzhC48TRd_xkGLhTOsel_6xYBiskT915YLOMa3fAHXlNmVna6jIwCtCwNAe8F-h6jwkHJuTerII1ZA8CL0iNWVZcikSia_Fi4UPjdTEqa_inDL1xm23w2T_
            [publicKey:Minishlink\WebPush\Subscription:private] => BCkWqarrjQeppl0Bvn0CnMs5RNdH87HmyltvWJqe4kn6fG-EV_D3Bt5Fndie_xBYd92eIbAOmuWBPHm2qTqZxFY
            [authToken:Minishlink\WebPush\Subscription:private] => gX8JADZkpmhZ0LA1ekhkdw
            [contentEncoding:Minishlink\WebPush\Subscription:private] => aesgcm
        )

    [payload] => {"title":"Black Friday", "body":"Die besten Deals", "icon":"icon", "tag":"tag", "url":"https://amzn.to/3pW1Rac"}
)
[x] Message failed to sent for subscription https://fcm.googleapis.com/fcm/send/fck2XnzgNQQ:APA91bH5b8BZPMXQtzxO1DzhC48TRd_xkGLhTOsel_6xYBiskT915YLOMa3fAHXlNmVna6jIwCtCwNAe8F-h6jwkHJuTerII1ZA8CL0iNWVZcikSia_Fi4UPjdTEqa_inDL1xm23w2T_: Client error: `POST https://fcm.googleapis.com/fcm/send/fck2XnzgNQQ:APA91bH5b8BZPMXQtzxO1DzhC48TRd_xkGLhTOsel_6xYBiskT915YLOMa3fAHXlNmVna6jIwCtCwNAe8F-h6jwkHJuTerII1ZA8CL0iNWVZcikSia_Fi4UPjdTEqa_inDL1xm23w2T_` resulted in a `410 Gone` response:
push subscription has unsubscribed or expired.