[
  {
    "event_id": "e-001",
    "timestamp": "2026-10-09T10:00:00.123456+08:00",
    "service": "checkout",
    "env": "prod",
    "level": "ERROR",
    "trace_id": "00000000000000000000000000000001",
    "message": "upstream timeout",
    "duration_ms": "1200"
  },
  {
    "event_id": "e-002",
    "timestamp": "2026-10-09T10:01:00.000000+08:00",
    "service": "checkout",
    "env": "prod",
    "level": "ERROR",
    "trace_id": "00000000000000000000000000000002",
    "message": "upstream timeout",
    "duration_ms": "1600"
  },
  {
    "event_id": "e-003",
    "timestamp": "2026-10-09T10:02:00.000000+08:00",
    "service": "checkout",
    "env": "prod",
    "level": "ERROR",
    "trace_id": "00000000000000000000000000000003",
    "message": "upstream timeout"
  },
  {
    "event_id": "e-004",
    "timestamp": "2026-10-09T10:03:00.000000+08:00",
    "service": "checkout",
    "env": "prod",
    "level": "INFO",
    "trace_id": "00000000000000000000000000000004",
    "message": "checkout complete",
    "duration_ms": "80"
  },
  {
    "event_id": "e-005",
    "timestamp": "2026-10-09T10:04:00.000000+08:00",
    "service": "checkout",
    "env": "prod",
    "level": "WARN",
    "trace_id": "00000000000000000000000000000005",
    "message": "checkout complete",
    "duration_ms": "350"
  },
  {
    "event_id": "e-006",
    "timestamp": "2026-10-09T10:04:59.999999+08:00",
    "service": "checkout",
    "env": "prod",
    "level": "INFO",
    "trace_id": "00000000000000000000000000000006",
    "message": "checkout complete",
    "duration_ms": "20"
  }
]