ChargebackNotificationPayload

{
    "tradeNo": "ONL02604291803055145",
    "merOrderNo": "TEST1777456985240",
    "code": "11",
    "message": "The chargeback request has been approved",
    "reason": "Fraudulent transaction",
    "currency": "USD",
    "amount": "100.00",
    "signType": "MD5",
    "sign": "string"
}