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]: e38975ddc9f28b9121d05e8426859339ace8a8696c985c7969c1f4df297b8490
[8]: 4df0ad3551edab4a265a9462651e7c728084d77e78052e151fea1681ae770e68
[9]: 1b00000000000000000000000000000000000000000000000000000000000000