ZapOperationEthVariant (index_topic_1bytes32 cdpId, index_topic_2uint8 operation, bool isCollateralIncrease, index_topic_4address collateralToken, uint256 collateralTokenDelta, uint256 stEthDelta, address cdpOwner)
[topic 0]:0xf415a19a6ef014ac40c05386c2befca0cdf7415e3de0fee79d4ad7645db88bbe
[topic 1]:0x73e47e110dd251bd6449381724f2bb51c11b14bc0149db8c0000000000000068
[topic 2]:0x0000000000000000000000000000000000000000000000000000000000000000
[topic 3]:0x000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee