Transfer
Checked the given hash out on blockchain.com, it was easy to found to the transaction was from account 1EMgkLTkFaHmjHTrdgPJAs8rbPAy6HhSoU to account 1PQBh6tddet14bYDsSbUiox1YJb5EL185A.
So the flag was Hero{1PQBh6tddet14bYDsSbUiox1YJb5EL185A}.