BEGIN:VCALENDAR
PRODID:-//Test
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP;TZID=Europe/Vienna:20191214T105622Z
DTSTART;TZID=Europe/Vienna:20191219T180000Z
DTEND;TZID=Test:20191219T202000Z
UID:beac8312-f3b9-4bd8-9075-de6fdbef4832
SUMMARY:test
CREATED:20191214T105622Z
LAST-MODIFIED:20191214T105622Z
SEQUENCE:0
END:VEVENT
END:VCALENDAR
