UpdatePosition (bytes32 key, uint256 size, uint256 collateral, uint256 averagePrice, uint256 entryFundingRate, uint256 reserveAmount, int256 realisedPnl, uint256 markPrice)
[topic 0]:0x20853733b590dce729d9f4628682ebd9a34d2354e72679e66f43a008fc03b773
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