Class uuid
d024fbb5-1142-4dd4-b93c-d8249f82b74d
Lesson uuid
0f06e16e-a51a-4da7-ba42-411e2e29a981
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
67a05491-de65-4320-b529-3927e1ace93b