Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000000
[2]: 0000000000000000000000000000000000000000000000000000000000000000
[3]: 00000000000000000000000000000000000000000000000000000000000000c0
[4]: 000000000000000000000000000000000000000000000000000000000000000e
[5]: 746573742e746573742e74657374000000000000000000000000000000000000
[6]: 0000000000000000000000000000000000000000000000000000000000000041
[7]: 43c0517c9f0cf4900913200669322293ca718cab23af01cb228afb29f1a69104
[8]: 4214a126f4f2375d88c934ad24b7ff57562aaecd120b084d3cf57ebde21e9eff
[9]: 1c00000000000000000000000000000000000000000000000000000000000000