ChallengeBegins (address , uint16 , uint256 , uint256 )
[topic 0]:0xd75ca06fbaec49708838f517686c8ca5d9219c854630d47edf0c829ef470fabd
0x0000000000000000000000004779c38fe442064e1e98d4b99d62f3350676ab4b000000000000000000000000000000000000000000000000000000000000001900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000005460