_PurchasePhysicalNftRequest (address _artist, uint256 _itemId, address _userAddress, uint256 _amount, string _ipfsHash, uint256 _nftbytes32)
[topic 0]:0xa3138172bad7cf1f311883ca74bcf5d8682df53dbbb5a4dec8c0b57ef4c026d7
0x000000000000000000000000b12c77b724f5ad995e719b28bcc598fa64a60ab1000000000000000000000000000000000000000000000000000000000000003a000000000000000000000000c9a2c082baa60743216220cf78899d48fcef5b3c00000000000000000000000000000000000000000000000000038d7ea4c6800000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002e516d654e59506963337666425634576d61664135704b39794c3876775353766b344a76765434434e714a3250515a000000000000000000000000000000000000