Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000000
[2]: 0000000000000000000000000000000000000000000000000000000000000000
[3]: 00000000000000000000000000000000000000000000000000000000000000c0
[4]: 000000000000000000000000000000000000000000000000000000000000000e
[5]: 746573742e746573742e74657374000000000000000000000000000000000000
[6]: 0000000000000000000000000000000000000000000000000000000000000041
[7]: 15e97f92955db021a2d98027819a22377ad6c11c0bd068c4dadb88175cab66f8
[8]: 023bc1f9f26cb0f816b814ff6f4b06f0a1790d6ac7b4abbdb74f9ef58c039b19
[9]: 1b00000000000000000000000000000000000000000000000000000000000000