CardPurchased (index_topic_1address from, index_topic_2uint256 id, uint256 amount, string cardbytes32, string userEmail, uint256 purchasedAt)
[topic 0]:0x7747419eb85d2a64ce5c3fd1bf01b54b47cdcfb621ac43741f8460d4f3ed40cb
[topic 2]:0x000000000000000000000000000000000000000000000000000000000000007e
0x0000000000000000000000000000000000000000000000000000000000501de2000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000673ac9b8000000000000000000000000000000000000000000000000000000000000000c3130333235333233383038320000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004038373932343630366234313331613861636565656165383836383533316662623937313261616130376135643361373536623236636530663564366361363734