CollateralRemoved (index_topic_1address user, index_topic_2address collateralAddress, uint256 amount)
[topic 0]:0xce4d55ad6d5734bd8b947e19d64c51774bdc08ab4b2e59ee3a764476bea650de
0x000000000000000000000000dba9f352e437193ce2fd42eafcda80e3bf4e0e8c00000000000000000000000007b6c168cc11c800bd83c033fb6988231e6cb6480000000000000000000000000000000000000000000000000000000000200b20