SetExtraImageHash (index_topic_1bytes32 _imageHash, uint256 _expiration)
[topic 0]:0x804f6171d6008d9e16ee3aa0561fec328397f4ba2827a6605db388cfdefa3b0c
[topic 1]:0xf0237e9fd29170f9cbdad018216740b65668f83c19e790a72ab0b51c045cde9e
0x8000000000000000000000000000000000000000000000000000000000000000