AccessChanged (address stash, bool hasAccess)
[topic 0]:0xa4db2f7b38cef7c9aa9b5b2ae37b4a06e94048ba87583a6de6b5fd51e45b29fb
0x000000000000000000000000626d1db48410dded2ef890f43074ec59c392b2f30000000000000000000000000000000000000000000000000000000000000001