{
  "provider": "deepseek",
  "source": "https://api.deepseek.com/user/balance",
  "observedAt": "2026-05-19T12:00:00.000Z",
  "planType": null,
  "windows": [],
  "balance": {
    "total": "37.87",
    "currency": "CNY",
    "isAvailable": true
  }
}