Mint (index_topic_1address from, uint256 reward_amount, uint256 epochCount, bytes32 newChallengeNumber)
[topic 0]:0xcf6fbb9dcea7d07263ab4f5c3a92f53af33dffc421d9d121e1c74b307e68189d
0x00000000000000000000000000000000000000000000000000000000000f42400000000000000000000000000000000000000000000000000000000000001743184c9efed6984cc7fe7b9cfaa6a4929b2828ae955cca5dda0f518c3ba9cd450d