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]: f2f10a33cecade7513fbfba2b9ad834dfff1d6bb34576c2df21affc38fa93483
[8]: 6552b68cf73194517bdd7aef8097fb697de04cfdade04d204cb4ad4b5d458e58
[9]: 1b00000000000000000000000000000000000000000000000000000000000000