curl --location --request POST 'http://prod-cn.your-api-server.com/gateway/base/biz' \
--header 'method: payOut' \
--header 'signType: SHA512' \
--header 'serviceName: api.pay' \
--header 'mchId: 1416010331032883200' \
--header 'timestamp: 1631671670' \
--header 'sign: 32554324534545432543' \
--header 'Content-Type: application/json' \
--data-raw '{
"mchOrderId": "string",
"amount": "string",
"currency": "string",
"purpose": "string",
"beneficiaryName": "string",
"beneficiaryEmail": "string",
"beneficiaryMobile": "string",
"beneficiaryAccountNumber": "string",
"callbackUrl": "string",
"beneficiaryBankCode": "BBL",
"paymentType": "NET_BANKING"
}'