[
  {
    "name": "Alice",
    "active": true,
    "registered_at": "2023-01-15T10:00:00+00:00"
  },
  {
    "name": "Bob",
    "active": true,
    "registered_at": "2023-03-20T08:30:00+00:00"
  },
  {
    "name": "Carol",
    "active": true,
    "registered_at": "2023-06-15T14:00:00+09:00"
  },
  {
    "name": "Dave",
    "active": true,
    "registered_at": "2023-06-15T06:00:00+00:00"
  },
  {
    "name": "Eve",
    "active": false,
    "registered_at": "2023-02-10T12:00:00+00:00"
  },
  {
    "name": "Frank",
    "active": true,
    "registered_at": "2023-06-15T05:00:00+00:00"
  }
]