curl --request GET \
  --url https://sandbox-openplatform.keysecure.io/open-api/v1/account/U202605220001/info \
  --header 'Api-Key: your_api_key' \
  --header 'Timestamp: 1716307200000' \
  --header 'Access-Token: your_access_token'

{
  "code": 0,
  "msg": "Success",
  "data": {
    "list": [{
      "cardholder_no": "",
      "symbol": "TUSDT",
      "symbol_chain": "",
      "balance": "",
      "usd_balance": "",
      "bonus_balance": "",
      "usd_bonus_balance": ""
    }]
  }
}