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]: 9912e3f691fc5c21391e5cd5acbe8911340555b957ecdb0b6f7ac8d57c2dce84
[8]: 7b0d06b29a263d1a1b8eef180719cbf57853a20bc3d2463b88ab59a27d5e100b
[9]: 1b00000000000000000000000000000000000000000000000000000000000000