Class uuid
0e4e64c3-230f-4f86-b043-faf776d7789d
Lesson uuid
0d0b682c-a168-40d6-a50e-7343538be449
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
2c606a5d-2132-4f44-b0a4-602607a28406