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]: 509cf847ffb5875692f6df4627cb7fa62244a3ae9e00daafdb9c3cd11092c04d
[8]: 51594aed9cdaf8cf13d7dbe7fdb80ee0489852339f966a512697582c0348c083
[9]: 1b00000000000000000000000000000000000000000000000000000000000000