GUID used for FormSet guid and user profile variable.
Include/Guid/UserIdentifyManagerHii.h

GUID Information

GUID's Guid Name	GUID's Guid
gUserIdentifyManagerGuid	{ 0x3ccd3dd8, 0x8d45, 0x4fed, { 0x96, 0x2d, 0x2b, 0x38, 0xcd, 0x82, 0xb3, 0xc4 }}