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]: e24f557d0468207f62ad07b3f99531040e3cd0ccb34d1161ab9cb8a0bd5521f7
[8]: 649614f3ad4819a1791314cfc9ebc5fc46e32038ced193cf9d05de03b3b506a9
[9]: 1b00000000000000000000000000000000000000000000000000000000000000