Event Type: order_refund

order_id[* String]: Order ID
payment_id[* String]: Payment Serial Number
refund_result[* Object RefundResult]: Refund Result
- refund_amount[* Object Amount]: Refund Amount
  - currency[* String]: Local Currency Type, 3-letter code according to ISO 4217
  - amount_local[* Double]: Amount ( Local Currency )
  - amount_usd[Double]: Amount ( USD ), The USD amount is converted from the original amount by the exchange rate, (required when not access to China Server)
  - amount_cny[Double]: Amount ( CNY ), The CNY amount is converted from the original amount by the exchange rate, (required when access to a China Server)
- refund_reason[String]: Refund Reason

{
    "order_id": "NX348566DIHD",
    "payment_id": "NHF8736274",
    "refund_result": {
        "refund_amount": {
            "currency": "USD",
            "amount_local": 68,
            "amount_usd": 10,
            "amount_cny": 68
        },
        "refund_reason": "XXX"
    }
}