BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//CERN//INDICO//EN
BEGIN:VEVENT
SUMMARY:existing user speaker
DTSTART:20260502T070000Z
DTEND:20260502T090000Z
DTSTAMP:20260509T175600Z
UID:indico-event-5659@sandbox.getindico.io
DESCRIPTION:Speakers: test test\n\nhttps://sandbox.getindico.io/event/5659
 /
URL:https://sandbox.getindico.io/event/5659/
END:VEVENT
END:VCALENDAR