Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f60558
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000033
[5]: 4d657461646174612f50633f726567696f6e3d6173696126616374696f6e4964
[6]: 3d34313834373932383339323638303438343100000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 68e0584780315be5157fa759c90906d68a7bd0a22e1cc59311b784a7ada2c5d9
[9]: 207df2e13a67f924ad645b4a072a60086542f2518f4de5400816fe1d1cfb42ce
[10]: 1b00000000000000000000000000000000000000000000000000000000000000