This union can be one of the following types:
- NewPoolEventData
- SwapNftOutPoolEventData
- SwapNftInPoolEventData
- NftPoolNftDepositEventData
- NftPoolNftWithdrawalEventData
- NftPoolTokenDepositEventData
- NftPoolTokenWithdrawalEventData
- NftPoolSpotPriceUpdateEventData
- NftPoolDeltaUpdateEventData
- NftPoolFeeUpdateEventData
- NftPoolAssetRecipientUpdateEventData
- NewPoolEventDataV2
- SwapNftOutPoolEventDataV2
- SwapNftInPoolEventDataV2
- NftPoolNftDepositEventDataV2
- NftPoolNftWithdrawalEventDataV2
- NftPoolTokenDepositEventDataV2
- NftPoolTokenWithdrawalEventDataV2
- NftPoolSpotPriceUpdateEventDataV2
- NftPoolOwnershipTransferredEventDataV2