Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f8a60b
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000034
[5]: 4d657461646174612f50633f726567696f6e3d6b6f72656126616374696f6e49
[6]: 643d343139323139393436363033343739343431000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 86da1c7dc310a53b35e5445a4c9671c31d615b3d66e73596ed3443cfae276d9c
[9]: 1705ef02392b33272c8a62dc6df96256b6de52c6ea68b2202e8de9fcb4e3b0dd
[10]: 1b00000000000000000000000000000000000000000000000000000000000000
