Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002edc1c6
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000033
[5]: 4d657461646174612f50633f726567696f6e3d6173696126616374696f6e4964
[6]: 3d34313631353332313534303231383130303900000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 1cb336ef0acbe41f53c5003ffdbdc9bb86567bc47134687a11c075e8a370d513
[9]: 6f2c00d693feb0d6bfadbcac637f34e09963abc06e9e028a296022baa251e3ad
[10]: 1b00000000000000000000000000000000000000000000000000000000000000