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]: eb6710a31ad49f5f80e4655cd1871411cc93de28ba390220631780fcd80cbfe0
[8]: 57f707111954a691a9e28dbf63ce11c792535886fbe2883730d2b46b4d4dd4f5
[9]: 1c00000000000000000000000000000000000000000000000000000000000000