get
https://sandboxapi.legendtrading.com/app/offrampdestinations
List all the available destinations which can be the fiat balance, or a bank account. 列出所有可用的出金方式，可能是法币余额，也可以是银行账号。
import requests
headers = {
'Authorization': 'Bearer %s' % api_token,
'Accept':'application/json'
}
data = {
'user_id': 'woshikeaidexiaoxiong'
}
response = requests.get('https://sandboxapi.legendtrading.com/app/userbalances', json=data, headers=headers)
data = response.json()
print(data)