[
  {
    "user_id": "jh.kim@corp.example",
    "display_name": "김지훈",
    "group": "eng-intern",
    "deactivated_at": null
  },
  {
    "user_id": "sy.park@corp.example",
    "display_name": "박서연",
    "group": "eng-backend",
    "deactivated_at": null
  },
  {
    "user_id": "sy.park@corp.example",
    "display_name": "박서연",
    "group": "data-analyst",
    "deactivated_at": null
  },
  {
    "user_id": "mj.lee@corp.example",
    "display_name": "이민재",
    "group": "eng-platform",
    "deactivated_at": null
  },
  {
    "user_id": "mj.lee@corp.example",
    "display_name": "이민재",
    "group": "secrets-admin",
    "deactivated_at": null
  },
  {
    "user_id": "hn.jung@corp.example",
    "display_name": "정하나",
    "group": "hr",
    "deactivated_at": null
  },
  {
    "user_id": "yk.han@corp.example",
    "display_name": "한유경",
    "group": "eng-backend",
    "deactivated_at": null
  },
  {
    "user_id": "dw.choi@corp.example",
    "display_name": "최도원",
    "group": "finance",
    "deactivated_at": "2026-09-30T18:00:00+09:00"
  },
  {
    "user_id": "sh.ryu@corp.example",
    "display_name": "류성훈",
    "group": "contractor",
    "deactivated_at": "2026-10-13T18:00:00+09:00"
  },
  {
    "user_id": "ys.oh@corp.example",
    "display_name": "오윤서",
    "group": "sales",
    "deactivated_at": null
  }
]