Class uuid
ff43bdaa-c029-42fe-a310-c3a1b774027f
Lesson uuid
7730e59e-5740-4c93-97fb-697ebb52631f
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
9b506023-81de-4b7c-b6af-8e1a315983ae