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]: d4397818b88885fbea0aa91b339e71f1cf23ee9c7d2518eda06759c18602a5d6
[8]: 1d311b0473a4ee67356a91de76b36ea4eecf4abb267cbef088a88699aaff06bd
[9]: 1b00000000000000000000000000000000000000000000000000000000000000