NewCollateralFactor (address cToken, uint256 oldCollateralFactorMantissa, uint256 newCollateralFactorMantissa)
[topic 0]:0x70483e6592cd5182d45ac970e05bc62cdcc90e9d8ef2c2dbe686cf383bcd7fc5
0x0000000000000000000000000197357c06c06bdb43bcb53fcab2d826ad23620300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b1a2bc2ec500000