Path: /ip/open-api/account-info
Method: GET
Interface description: Obtain account information
Return data:
{
  "data": {
    "balance": "99945.09",
    "cashback": "0.00",
    "total_balance": "99945.09"
  },
  "code": 0,
  "msg": "Success"
}
Field description:
| balance | Balance | 
| cashback | Bonus | 
| total_balance | Total account balance | 
