Iyzipay\Model\InstallmentInfo Object
(
    [installmentDetails:Iyzipay\Model\InstallmentInfo:private] => 
    [status:Iyzipay\IyzipayResource:private] => failure
    [errorCode:Iyzipay\IyzipayResource:private] => 1000
    [errorMessage:Iyzipay\IyzipayResource:private] => Geçersiz imza
    [errorGroup:Iyzipay\IyzipayResource:private] => 
    [locale:Iyzipay\IyzipayResource:private] => tr
    [systemTime:Iyzipay\IyzipayResource:private] => 1780728923438
    [conversationId:Iyzipay\IyzipayResource:private] => 123456789
    [rawResult:Iyzipay\ApiResource:private] => {"status":"failure","errorCode":"1000","errorMessage":"Geçersiz imza","locale":"tr","systemTime":1780728923438,"conversationId":"123456789"}
)