generate a signed url for the redirect

app/Http/Controllers/SubscribeController.php

@@ -31,6 +31,7 @@ use Illuminate\Support\Facades\Config;
 use Illuminate\Support\Facades\View;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Illuminate\Support\Facades\URL;
 
 /**
  * This is the subscribe controller.
@@ -120,7 +121,7 @@ class SubscribeController extends Controller
             execute(new VerifySubscriberCommand($subscriber));
         }
 
-        return cachet_redirect('subscribe.manage', $code)
+        return redirect()->to(URL::signedRoute(cachet_route_generator('subscribe.manage'), ['code' => $code]))
             ->withSuccess(sprintf('%s %s', trans('dashboard.notifications.awesome'), trans('cachet.subscriber.email.subscribed')));
     }