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]: 78b7e41e25302d360b7fec7ae7101538ae484ecc3eeaa52b44bafda2421d92e7
[8]: 246028ea6f0ae7f847dffce41622b781d751099ead668ce334fff825ae585d54
[9]: 1b00000000000000000000000000000000000000000000000000000000000000