Transfer (SIGNED)

curl 
 -H 'X-BM-KEY:{{AccessKey}}'
 -H 'X-BM-TIMESTAMP:{{currentTime}}'
 -H 'X-BM-SIGN:{{SIGN}}' 
 -X POST -d '{
  "currency":"USDT",
  "amount":"10",
  "type":"spot_to_contract",
  "recvWindow":5000
}'
https://cloud-api.wooxpro.com/account/v1/transfer-contract

{
  "message":"OK",
  "code":1000,
  "trace":"34018ca3-fe24-446a-9e1d-f82edfb3e3",
  "data":{
    "currency":"USDT",
    "amount":"10"
  }
}