BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:b23539a7fa70d8ce9638a602fef35e31https://nsu.hu
                        DTSTAMP:20260826T054949
                        DTSTART:TZID=20260826T054949
                        DTEND:TZID=20260826T054949
                        SUMMARY:
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR