Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002dbb669
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000031
[5]: 6d6574613f726567696f6e3d6173696126747970653d7063266e667449643d34
[6]: 3131303735353230333739303237383537000000000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: d594ff4b49e0f52f2c5b99825e64541248e37e0f561a4bfbea7ba89b9d29218b
[9]: 0e1e56a4065bf8e6567fe101ca21d8cb89e1bac912823b87a026a2eabf5a13ef
[10]: 1b00000000000000000000000000000000000000000000000000000000000000