Function: mintItem (string tokenURI, bool isUnseal, uint256 deadline, bytes validatorSig)
MethodID: 0xfcbb6cf5
[0]: 0000000000000000000000000000000000000000000000000000000000000080
[1]: 0000000000000000000000000000000000000000000000000000000000000001
[2]: 0000000000000000000000000000000000000000000000000000000002f87b44
[3]: 00000000000000000000000000000000000000000000000000000000000000e0
[4]: 000000000000000000000000000000000000000000000000000000000000003b
[5]: 4d657461646174612f50633f726567696f6e3d736f757468616d657269636126
[6]: 616374696f6e49643d3431393030313830353232313536383135330000000000
[7]: 0000000000000000000000000000000000000000000000000000000000000041
[8]: a4800e7d456b002f127598a4059925e1201204eebfe1562be7e2a06089593d16
[9]: 479cff037993eee8d9553b9c2115255a478f0edf0e23dc7bb697ec098d0f3db4
[10]: 1c00000000000000000000000000000000000000000000000000000000000000