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]: 4d5ac34fec7648dce32d18c33b3782b80d680eeeaa27756751e1fd37c633e486
[8]: 541ecd68b2d42fc74a2c3ced5f3de9cf894594e03c1264a1afaafa32dfeaf7ad
[9]: 1b00000000000000000000000000000000000000000000000000000000000000