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]: 8a99a9115c351deabe7e1c0038483738259c0f760907b72b08c73ac7b7cb1746
[8]: 70aba5227877233291d4ed05a908e5c8b7fa3269253bc5890af0691a9451ef24
[9]: 1c00000000000000000000000000000000000000000000000000000000000000