ClosePosition (bytes32 positionKey, bytes32 marketId, string ticker, uint256 size, uint256 collateral, uint256 avgEntryPrice, uint256 exitPrice, bool isLong)
[topic 0]:0x725041f1a4656c92e3d7d9d4dcb3291bae8f816ac6a84b7efc4350b2b9f0c340
[topic 1]:0xf066be16d13904b938eb2eaf49fb84611ff90c698fc84b9f70ce212e2ed930ab
[topic 2]:0x013873115ec8aa353e215189642712e72681fb30e06f29503926f0453ea51617
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