List Org Members

[
  {
    "user_id": "<string>",
    "first_name": "<string>",
    "last_name": "<string>",
    "email": "jsmith@example.com",
    "role": "basic",
    "is_active": true,
    "is_superuser": true,
    "is_verified": true,
    "last_login_at": "2023-11-07T05:31:56Z"
  }
]