Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 000000000000000000000000000000000000000000000000000000000304b3b0
[3]: 0000000000000000000000000000000000000000000000000000000000000100
[4]: 0000000000000000000000000000000000000000000000000000000000000057
[5]: 68747470733a2f2f6e66746170692d6465762e77656d6164652e67616d65732f
[6]: 6e63676c2f4d657461646174612f50633f726567696f6e49643d302661637469
[7]: 6f6e49643d343232363132363134323930333431383938000000000000000000
[8]: 0000000000000000000000000000000000000000000000000000000000000041
[9]: 08d7e4447cf56628d9fb59f2ed5793b66d9501dbbd88bfd2e3bc850ee57b3f73
[10]: 6cab5c03d1584a765580cbf2d107a563ce316b664908b99a470eb2747eb860ba
[11]: 1b00000000000000000000000000000000000000000000000000000000000000