Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 000000000000000000000000000000000000000000000000000000000308b0b4
[3]: 0000000000000000000000000000000000000000000000000000000000000100
[4]: 0000000000000000000000000000000000000000000000000000000000000057
[5]: 68747470733a2f2f6e66746170692d6465762e77656d6164652e67616d65732f
[6]: 6e63676c2f4d657461646174612f50633f726567696f6e49643d302661637469
[7]: 6f6e49643d343233373335323139393536393430383130000000000000000000
[8]: 0000000000000000000000000000000000000000000000000000000000000041
[9]: cb3f56a3c1915984a16f6031c839b964b6d8fe8ee931bdf31484d972f13f9f7f
[10]: 1340c8c7fcc93062fcecb1e9d078154e691fc4f0c16641a04f0fef5bb0862c52
[11]: 1c00000000000000000000000000000000000000000000000000000000000000