Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000000
[2]: 0000000000000000000000000000000000000000000000000000000000000000
[3]: 00000000000000000000000000000000000000000000000000000000000000c0
[4]: 000000000000000000000000000000000000000000000000000000000000000e
[5]: 746573742e746573742e74657374000000000000000000000000000000000000
[6]: 0000000000000000000000000000000000000000000000000000000000000041
[7]: 8ae4fa45500cc72627e6a0aeee98029f72981ae5e9330afb1231c49f27d88578
[8]: 3bb95bed78d9ccc0687be4e9bb69c8f3db786938c023f217ba60907171890d1e
[9]: 1b00000000000000000000000000000000000000000000000000000000000000