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]: e5a5ced2cda3edb62a3da9bce5dfa5618f9b44fef7ca09fe368a20c55d52ddb3
[8]: 3d52c037fc39d516ebd58142adcfba58168a9a996d44131f1004df38086892f0
[9]: 1b00000000000000000000000000000000000000000000000000000000000000