Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000000
[2]: 000000000000000000000000000000000000000000000000000000000000007b
[3]: 00000000000000000000000000000000000000000000000000000000000000c0
[4]: 000000000000000000000000000000000000000000000000000000000000000e
[5]: 746573742e746573742e74657374000000000000000000000000000000000000
[6]: 0000000000000000000000000000000000000000000000000000000000000041
[7]: 6bd524ceab8b446e8cb741a74c536409a0b4d492030b5a4ab3de09ad18dafb96
[8]: 75fc6122350767a4452f5e5d4e46e40759e283d15a7b289189c16911f3181af6
[9]: 1c00000000000000000000000000000000000000000000000000000000000000