Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000000
[2]: 000000000000000000000000000000000000000000000000000000000000007b
[3]: 00000000000000000000000000000000000000000000000000000000000000c0
[4]: 000000000000000000000000000000000000000000000000000000000000000e
[5]: 746573742e746573742e74657374000000000000000000000000000000000000
[6]: 0000000000000000000000000000000000000000000000000000000000000041
[7]: d1c6e7ac859d3c33265ccda7affae1c031923f68caa03d9273c3d331211882e0
[8]: 03f0a36cb563928fd9458173da5da5b78a2a65e49ee6fb4049a06982160c6bde
[9]: 1b00000000000000000000000000000000000000000000000000000000000000