public function getJsonObject()
{
return JsonBuilder::create()->add("cardHolderName", $this->getCardHolderName())->add("cardNumber", $this->getCardNumber())->add("expireYear", $this->getExpireYear())->add("expireMonth", $this->getExpireMonth())->add("cvc", $this->getCvc())->add("registerCard", $this->getRegisterCard())->add("cardAlias", $this->getCardAlias())->add("cardToken", $this->getCardToken())->add("cardUserKey", $this->getCardUserKey())->getObject();
}