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]: 634e408e973688a5f0606c25d1fb72de241e4ee7ef08ef3ebfeeaf3c40553142
[8]: 7b519c5f79d6463247addfc53b0a48f804aab419dead2bd72e0d0885c990a842
[9]: 1b00000000000000000000000000000000000000000000000000000000000000