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]: a547d240e016855cc8dfd6f5426d5f0994e7d9e7c8b00165bfc893fdbd4b9ab6
[8]: 291b3f894a29f67d0f23a12ace761ee0dcff1360d9f1beed7586cc44985e3aef
[9]: 1c00000000000000000000000000000000000000000000000000000000000000