0x38d32f48…2187·#6,861,170·view on Etherscan
Owner should be correctOnly lesson time (starting time `D16:30GMT +3/-1 hours)Only registered membersOnly once lesson visitingLesson period should be greater `DOnly registered memberOnly registered memberDate time interval restrictionOnly registered memberDate time interval restrictionSkills must be bitwise combinati`Don of 1, 2, 3 bits of the byteLesson index must be less than l`DOnly registered membersSignature length == 65Ethereum Signed Message:
32Only contract owner