Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f9ba4c
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 0000000000000000000000000000000000000000000000000000000000000034
[5]: 4d657461646174612f50633f726567696f6e3d6b6f72656126616374696f6e49
[6]: 643d343139353232363630313936323836383635000000000000000000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: fe9aebcf47196fde001893eb214ff3c53f5dfedd30af186ead8818557d4efd90
[9]: 33fb42bf0a38bcf98267b57a6e45a978bbec56f3b5432c5960db662a9f40898c
[10]: 1b00000000000000000000000000000000000000000000000000000000000000