[
  {
    "event_id": "e_001",
    "booking_id": "b_1001",
    "vehicle_id": "v_seoul_01",
    "kind_raw": "결제 실패",
    "gps": "37.50,127.03",
    "severity_hint": "mid"
  },
  {
    "event_id": "e_002",
    "booking_id": "b_1002",
    "vehicle_id": "v_seoul_02",
    "kind_raw": "도어 열림 오류",
    "gps": "37.48,127.01",
    "severity_hint": "high"
  },
  {
    "event_id": "e_003",
    "booking_id": null,
    "vehicle_id": "v_busan_07",
    "kind_raw": "GPS 신호 없음",
    "gps": null,
    "severity_hint": null
  },
  {
    "event_id": "e_004",
    "booking_id": "b_1004",
    "vehicle_id": "v_seoul_05",
    "kind_raw": "반납 위치 이탈",
    "gps": "37.55,126.97",
    "severity_hint": "mid"
  },
  {
    "event_id": "e_005",
    "booking_id": "b_1005",
    "vehicle_id": "v_seoul_05",
    "kind_raw": "반납 위치 이탈",
    "gps": "37.55,126.97",
    "severity_hint": "mid"
  },
  {
    "event_id": "e_006",
    "booking_id": "b_1006",
    "vehicle_id": "v_unknown_zz",
    "kind_raw": "??정의안됨??",
    "gps": "0,0",
    "severity_hint": null
  },
  {
    "event_id": "e_007",
    "booking_id": "b_1007",
    "vehicle_id": "v_seoul_09",
    "kind_raw": "연료 부족 경고",
    "gps": "37.51,127.10",
    "severity_hint": "low"
  },
  {
    "event_id": "e_008",
    "booking_id": "b_1008",
    "vehicle_id": "v_daegu_03",
    "kind_raw": "사고 감지(급감속)",
    "gps": "35.87,128.60",
    "severity_hint": "high"
  },
  {
    "event_id": "e_009",
    "booking_id": "b_1009",
    "vehicle_id": "v_seoul_11",
    "kind_raw": "앱 응답 없음",
    "gps": null,
    "severity_hint": "low"
  },
  {
    "event_id": "e_010",
    "booking_id": "b_1010",
    "vehicle_id": "v_seoul_12",
    "kind_raw": "결제실패",
    "gps": "37.49,127.02",
    "severity_hint": "mid"
  },
  {
    "event_id": "e_011",
    "booking_id": "b_1011",
    "vehicle_id": "v_incheon_02",
    "kind_raw": "키 반납 안됨",
    "gps": "37.46,126.70",
    "severity_hint": "mid"
  },
  {
    "event_id": "e_012",
    "booking_id": "b_1012",
    "vehicle_id": "v_seoul_03",
    "kind_raw": "",
    "gps": "37.52,127.04",
    "severity_hint": null
  }
]