Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f881ad
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000034
[5]: 4d657461646174612f50633f726567696f6e3d6b6f72656126616374696f6e49
[6]: 643d343139313739393630343631393531333737000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 6037dcd83d65ec47e14e24025d4901c6f198cb528da5bfa91fcc1328db41c0f7
[9]: 60c450dc44b2d40778bf7cfcfc0af1e629301626859b84e99a3050f50eceee76
[10]: 1b00000000000000000000000000000000000000000000000000000000000000
