param is a JSON-serialized string. The table below describes its decoded logical fields.| Parameter Name | Required | Type | Length | Example | Description |
|---|---|---|---|---|---|
| originalTransactionId | N | string | 1-32 | CCP20220428011068111 | Original transaction id(Either the original transaction id or the refund transaction id is optional.) |
| refundTransactionId | N | string | 1-32 | CCP20220428011068111 | Refund transaction id(Either the original transaction id or the refund transaction id is optional.) |
| timestamp | Y | long | - | 1677495496979 | timestamp |