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]: effd763d8523b8ff8d19e15aa56cacb9fb116f17169d566a70e0d951339ac227
[8]: 6a2853140730b1bac5842179cd13b8053f2d4b02d03a9202cab6af1d96d805c0
[9]: 1b00000000000000000000000000000000000000000000000000000000000000