Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f78b66
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000034
[5]: 4d657461646174612f50633f726567696f6e3d6b6f72656126616374696f6e49
[6]: 643d343138393039313735363534383432373639000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: fd1e998cdd609fe25b711b7728c51531ac98228525bd4a84e8aa351d04b4e21f
[9]: 441e17c0cb68699743bdd8595c0c2ad65b9844a4a0e51685b83ee7dae5f32f8f
[10]: 1c00000000000000000000000000000000000000000000000000000000000000
