NewInvestment (address user, uint256 USD_Price, uint256 dayNumber, uint256 amount)
[topic 0]:0xb787d8bf6bb07a5ddb1cf2ea3d57dffb82f9787220e27d731e0b6df2d7673846
[topic 2]:0x0000000000000000000000000000000000000000000000000000000038c968ad
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000004c9a
0x000000000000000000000000000000000000000000000001aaa1861f350f0000