정책 원복: status=200, ok=true, body={"result":{"code":200,"message":"success"},"payload":{}}
결제 취소 11f1-9...0001: status=200, ok=true, body={"result":{"code":200,"message":"success"},"payload":{"resultCode":"0000","resultMessage":"정상","isSuccess":true,"cancelAmount":-1004,"currentPayBalance":0.000}}