[
  {
    "timestamp": "2026-02-03T21:18:33.773774",
    "market": "Bitcoin Up or Down - February 3, 9AM ET",
    "prediction": "DOWN",
    "success": false,
    "order": null,
    "error": "价格$0.51超过限制$0.50",
    "side": "DOWN",
    "price": 0.505,
    "probability": 0.5563886165618896
  },
  {
    "timestamp": "2026-02-11T22:32:46.922211",
    "success": false,
    "error": "该市场已存在成功交易记录",
    "prediction": "DOWN",
    "probability": 0.0,
    "market": "Bitcoin Up or Down - February 11, 9AM ET",
    "market_slug": "bitcoin-up-or-down-february-11-9am-et"
  }
]