AppointmentRecurrencePattern is handled as binary data and is indeed
base64 encoded
RecipientRow is not passed to the backend, we instead collect all
properties and build the RecipientRow in OpenChange server, see:
https://github.com/openchange/openchange/blob/jkerihuel/mapistore-python/mapiproxy/
Just to be sure, are structured properties like RecipientRow
(https://msdn.microsoft.com/en-us/library/ee179606%28v=exchg.80%29.aspx)
or AppointmentRecurrencePattern
(https://msdn.microsoft.com/en-us/library/ee237146%28v=exchg.80%29.aspx)
converted to/from JSON in the API or they are just passed th