Class uuid
77a91262-c1cc-44c6-a755-4b6f71f05cee
Lesson uuid
b0266c59-723d-4d15-b406-af81f1c5ea3d
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
3d496d24-d361-4f81-9448-8d06a49f0009