Class uuid
e48e8249-9df4-4f2b-a348-1368e15d316c
Lesson uuid
f10332e6-c2d6-4e02-abbb-2307f94b974c
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
3ce64ac5-3d09-440f-85bb-287e381e2c75