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]: df654efdcda536219af56be608d26fccf7ef45b109893ed7938c2303a2574ffa
[8]: 563e7adbe619ce5e798535a58bf4f2c55f5f78326c4f86a561c932692cae4c82
[9]: 1b00000000000000000000000000000000000000000000000000000000000000