PackPrepared (uint256 packId, address rewardCollection, uint256 amountDistributedPerOpen, uint128 mintStartTimestamp, uint128 openStartTimestamp, string packUri, uint256 mintCost, uint128 maxMinteablePerWallet, uint256 mintProtocolFee)
[topic 0]:0x1d6144fc4d45b171b0a415a193d4f5a5eebc1552dd17b224246a75fc9915464c
[topic 1]:0x0000000000000000000000000000000000000000000000000000000000000000
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