{
"extend_params": {
"goods_detail": "[{\\\"goods_id\\\":\\\"001\\\",\\\"goods_amount\\\":\\\"100\\\"}]"
},
"amount": "3.14",
"foreign_settle_currency": "USD",
"out_request_no": "20160727001",
"trade_no": "2020121921001004130000127421"
}