OrderFilled (index_topic_1bytes32 orderHash, index_topic_2address maker, address makerAsset, uint256 makerAmount, index_topic_5address taker, address takerAsset, uint256 takerAmount)
[topic 0]:0x6621486d9c28838df4a87d2cca5007bc2aaf6a5b5de083b1db8faf709302c473
[topic 1]:0x7f1829026e47d9a443c8fa5b019ae05d14022d59eb352d21939becf148be694a
0x000000000000000000000000b97ef9ef8734c71904d8002f8b6bc66dd9c48a6e000000000000000000000000000000000000000000000000000000042afdd63800000000000000000000000049d5c2bdffac6ce2bfdb6640f4f80f226bc10bab0000000000000000000000000000000000000000000000004af3f711ac22c0b9