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]: 6e74ae82186e8c6851d2da3fb5ebfcebf7830af5ddf220f8efcd96503cf0e705
[8]: 6655f1d8ffb84d8a87cf08165084b9f04c6d179a8b790fd34350c2c36286a366
[9]: 1b00000000000000000000000000000000000000000000000000000000000000