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]: ac2b822e1ee1b214d7a1502208f382ebac7cad9007bb1680a5c207ba7ee94ff4
[8]: 500a84a9701db92780c570a6ede3c1ab1a54376c424c41990a2624faa086c7c8
[9]: 1b00000000000000000000000000000000000000000000000000000000000000