{
  "account_no": "00000001",
  "account_name": "Default Account",
  "currency": "USDT",
  "status": "active",
  "is_system_default": true,
  "editable": false,
  "available_amount": 10000,
  "frozen_amount": 2000,
  "total_amount": 12000,
  "created": 1788998400,
  "as_of": 1789084800
}

{
  "error": {
    "code": "invalid_parameter",
    "message": "账户号格式不正确；不符合网关匹配规则的路径也可能直接返回 404。"
  },
  "request_id": "example-request-id",
  "timestamp": 1789084800
}

{
  "error": {
    "code": "resource_not_found",
    "message": "账户不存在或不属于当前商户；网关未匹配的路径也可能返回纯文本 Not Found。"
  },
  "request_id": "example-request-id",
  "timestamp": 1789084800
}

{
  "error": {
    "code": "internal_error",
    "message": "服务内部错误。"
  },
  "request_id": "example-request-id",
  "timestamp": 1789084800
}

{
  "error": {
    "code": "service_unavailable",
    "message": "余额查询服务暂时不可用，请稍后使用新的时间戳、nonce 和签名重试。"
  },
  "request_id": "example-request-id",
  "timestamp": 1789084800
}