Thanks for sharing this with us. Is it possible to share the full/exact payload with us and your email associated with the account/client at developersupport@zoom.us? This will help us to take a closer look.
Last full event: {“event”:“user.signed_in”,“payload”:{“account_id”:"",“object”:{“date_time”:“2021-05-20T11:44:33Z”,“login_type”:100,“id”:"",“client_type”:“chromeos”,“version”:“5.0.4285.0509”,“email”:""}},“event_ts”:1621511073650}