NewCollateralFactor (address cToken, uint256 oldCollateralFactorMantissa, uint256 newCollateralFactorMantissa)
[topic 0]:0x70483e6592cd5182d45ac970e05bc62cdcc90e9d8ef2c2dbe686cf383bcd7fc5
0x000000000000000000000000475fef3a8e519871caaf0db253a67c59b6c3aada00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b1a2bc2ec500000