Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f8ae91
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000034
[5]: 4d657461646174612f50633f726567696f6e3d6b6f72656126616374696f6e49
[6]: 643d343139323239333138323234333437353337000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 24495c92f781af977e10cdb5e75c124c6cfc2e362197730d7d602586672fa3b5
[9]: 2bf6a660ba951df1efa2a56c50ec091fe8c75c54eb6c45023110ba7c20ed0de5
[10]: 1b00000000000000000000000000000000000000000000000000000000000000