Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 000000000000000000000000000000000000000000000000000000000306e432
[3]: 0000000000000000000000000000000000000000000000000000000000000100
[4]: 0000000000000000000000000000000000000000000000000000000000000057
[5]: 68747470733a2f2f6e66746170692d6465762e77656d6164652e67616d65732f
[6]: 6e63676c2f4d657461646174612f50633f726567696f6e49643d302661637469
[7]: 6f6e49643d343233323237383535343732393531333137000000000000000000
[8]: 0000000000000000000000000000000000000000000000000000000000000041
[9]: 5f926e67cd43f6de0233503e5c4f2f1ecc3d26dd02f0c98ae50643c650542747
[10]: 6a3d9dc868c0a5da5269b1dea9c05a5c28a3e35add8d291d364b2c916c7493b4
[11]: 1b00000000000000000000000000000000000000000000000000000000000000