datastructure.json

{
    "users": {
        "user1": {
            "events": {
                "event1": {
                    "id": "",
                    "title": "",
                    "description": "",
                    "start_time": "",
                    "end_time": "",
                    "location": " "
                },
                "event2": {
                    "...":"...."
                },
                "eventN": {
                    "...": "...."
                }
              },
            "settings": {
                "pref_transport": [],
                "toggle_transports": [],
                "breaksettings": {
                    "Name": "",
                    "BreakTime": "",
                    "Frequency": ""
                }
            }
        }
    }
}