Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000000
[2]: 000000000000000000000000000000000000000000000000000000000000007b
[3]: 00000000000000000000000000000000000000000000000000000000000000c0
[4]: 000000000000000000000000000000000000000000000000000000000000000e
[5]: 746573742e746573742e74657374000000000000000000000000000000000000
[6]: 0000000000000000000000000000000000000000000000000000000000000041
[7]: 0f316ff0c47c36c866aca858b6391edb26da52af8382182e35064b8d7fa45ec6
[8]: 54a9b39a218d0287fc18e49d73cba8949bf1925849c8c7337bd83e0ff85f4ab2
[9]: 1c00000000000000000000000000000000000000000000000000000000000000