public function toPKIRequestString()
{
return RequestStringBuilder::create()->append("id", $this->getId())->append("name", $this->getName())->append("surname", $this->getSurname())->append("identityNumber", $this->getIdentityNumber())->append("email", $this->getEmail())->append("gsmNumber", $this->getGsmNumber())->append("registrationDate", $this->getRegistrationDate())->append("lastLoginDate", $this->getLastLoginDate())->append("registrationAddress", $this->getRegistrationAddress())->append("city", $this->getCity())->append("country", $this->getCountry())->append("zipCode", $this->getZipCode())->append("ip", $this->getIp())->getRequestString();
}