PriceUpdated (index_topic_1uint256 priceId, uint256 oldPrice, uint256 newPrice)
[topic 0]:0x15819dd2fd9f6418b142e798d08a18d0bf06ea368f4480b7b0d3f75bd966bc48
0x000000000000000000000000000000000000000000000000000000fb96d49cec000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000012