TokenPurchaseByToken (address purchaser, address token, uint256 value, uint256 amount)
[topic 0]:0x4d92fb73e67345bead3d18d4a17b25b9c8c9b5f469dc2a7cf6bb7e85f4a2d05e
0x0000000000000000000000006ac3ab54dc5019a2e57eccb214337ff5bbd528970000000000000000000000000000000000000000000000000000000000dccb7000000000000000000000000000000000000000000000004e7128b1772639cac4