WithdrawCollateral (address from, bytes32 collateralKey, address collateralCurrency, uint256 collateralAmount)
[topic 0]:0x510ce44954935b74c86edc796a774a020b5e32e5b5c86b9a8ef997be6f2e6546
[topic 2]:0x4545544800000000000000000000000000000000000000000000000000000000
0x0000000000000000000000004fc0aa65af1516e820481bf0b21f8c20b9f41b4b0000000000000000000000000000000000000000000000000a688906bd8b0000