{
"price": 100,
"amount": 100,
"leverage": 100,
"pairId": 2
}curl --location --request POST 'test-mg-admin.hwyc.io/contract/order/fee' \
--header 'Content-Type: application/json' \
--data-raw '{
"price": 100,
"amount": 100,
"leverage": 100,
"pairId": 2
}'{
"code": 0,
"msg": "",
"data": {
"fee": 0.0,
"margin": 0.0
}
}