private function _createClient(array $response)
    {
        $model = new Client();
        $model->setId($response['id']);
        $model->setEmail($response['email']);
        $model->setDescription($response['description']);
        $model->setCreatedAt($response['created_at']);
        $model->setUpdatedAt($response['updated_at']);
        $model->setSubscription($this->_handleRecursive($response['subscription'], 'subscription'));
        $model->setAppId($response['app_id']);
        $model->setPayment($this->_handleRecursive($response['payment'], 'payment'));
        return $model;
    }