{
"userReqNo": "string",
"payerCurrency": "string",
"payeeCurrency": "string",
"amount": "string"
}
curl --location --request POST '/openapi/account/vcc/exchange' \
--header 'Content-Type: application/json' \
--data-raw '{
"userReqNo": "string",
"payerCurrency": "string",
"payeeCurrency": "string",
"amount": "string"
}'
{
"orderId": "string"
}