账户信息查询

{
  "code": 200,
  "message": "查询成功",
  "data": {
    "user_id": 123,
    "coin_balance": 100.5,
    "coin_name": "积分",
    "tiktok_balance": 50,
    "tiktok_name": "解析点",
    "vip": {
      "type": "vip",
      "name": "VIP会员",
      "end_date": "2026-09-30"
    }
  }
}