Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f9b7b9
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000033
[5]: 4d657461646174612f50633f726567696f6e3d6173696126616374696f6e4964
[6]: 3d34313935313938323535393733313133333800000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 543e0057ebc45b62fc92a2f967b7e59c94bc79d2e79e557bb8b7522854bad06f
[9]: 788c1e2fc1b95ef7ed0a7070079d21294a924834bbc70927bb6114dbc340806a
[10]: 1b00000000000000000000000000000000000000000000000000000000000000
