Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002ec6329
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 000000000000000000000000000000000000000000000000000000000000003b
[5]: 4d657461646174612f50633f726567696f6e3d6e6f727468616d657269636126
[6]: 616374696f6e49643d3431353538323137333733313537333838310000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: 56d705d62b409f37aae0074bd01c9c71b729b4f70c9fa955de4d105db1f4eadc
[9]: 3344d161e858d6b7cd6fa39e526db75782af3164b4fa0b2b3e64b2e943f872c6
[10]: 1c00000000000000000000000000000000000000000000000000000000000000