NewPeriod (uint8 _period, index_topic_2uint256 _session)
[topic 0]:0x68c618b4722a30adfd435aefec043781d40a8a871689115e91a2257ca097fab5
[topic 1]:0x0000000000000000000000000000000000000000000000000000000000000050
0x0000000000000000000000000000000000000000000000000000000000000000