Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002ef9702
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000033
[5]: 4d657461646174612f50633f726567696f6e3d6173696126616374696f6e4964
[6]: 3d34313636363931333937353631323235313400000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 56d0527925f16b587ed2cb63c427032c90f3a711857cfc9f8164b25f9e400011
[9]: 61f90ea8672cab72847e9aec4b423befe4b5705e72d1b9fc28d93eead0c95a33
[10]: 1b00000000000000000000000000000000000000000000000000000000000000