Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000000
[2]: 0000000000000000000000000000000000000000000000000000000000000000
[3]: 00000000000000000000000000000000000000000000000000000000000000c0
[4]: 000000000000000000000000000000000000000000000000000000000000000e
[5]: 746573742e746573742e74657374000000000000000000000000000000000000
[6]: 0000000000000000000000000000000000000000000000000000000000000041
[7]: a299e38fbf0cfa1c9c0e858d2fe32df2618e54a0bc037f840207db7f6e8b3e13
[8]: 0cb4b2eeb71e295843f5fc3667ea4800b3e970e72faff3c9d32eabfea7c3cd21
[9]: 1b00000000000000000000000000000000000000000000000000000000000000