{
  "calendars": [
    {
      "id": "cal1",
      "name": "Work Calendar",
      "owner_id": "user1",
      "description": "Main work calendar for team coordination",
      "color": "#4285F4",
      "shared_with": ["user2", "user3", "user4"],
      "visibility": "team"
    },
    {
      "id": "cal2",
      "name": "Personal Calendar",
      "owner_id": "user1",
      "description": "Personal appointments and reminders",
      "color": "#0F9D58",
      "shared_with": ["user5"],
      "visibility": "private"
    },
    {
      "id": "cal3",
      "name": "Project Calendar",
      "owner_id": "user2",
      "description": "Project-specific deadlines and milestones",
      "color": "#DB4437",
      "shared_with": ["user1", "user3", "user4"],
      "visibility": "public"
    }
  ]
}