protected function parseContent(Response $response, $content)
 {
     parent::parseContent($response, $content);
     if ($response->isSuccessful()) {
         $this->availableBalance = $content['available_balance'];
     }
 }
 protected function parseContent(Response $response, $content)
 {
     parent::parseContent($response, $content);
     if ($response->isSuccessful()) {
         $this->amount = $content['amount'];
         $this->recipient = $content['recipient'];
     }
 }