Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f75ae9
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000033
[5]: 4d657461646174612f50633f726567696f6e3d6173696126616374696f6e4964
[6]: 3d34313838353438333537353338353533333700000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: ba5c31c65f430e62d98f6dba32f47238355d8e5a98b890eca29916d72cd3d199
[9]: 4493b618afff9416e430f43169314d0ea68043fc2d1dd35d105bca21bb355d8c
[10]: 1b00000000000000000000000000000000000000000000000000000000000000