src/Messenger.php
public function subscribe()
    {
        $response = $this->client->post('/me/subscribed_apps');
        $decoded = $this->decodeResponse($response);

        return $decoded['success'];
    }
public function subscribe()
    {
        $response = $this->client->post('/me/subscribed_apps');
        $decoded = $this->decodeResponse($response);

        return $decoded['success'];
    }
public function subscribe ( ) { $ response = $ this -> client -> post ( '/me/subscribed_apps' ) ; $ decoded = $ this -> decodeResponse ( $ response ) ; return $ decoded [ 'success' ] ; }
Subscribe the app to the page

@return bool
Subscribe the app to the page