OwnersDict
A dictionary object containing the owners of a group
For each entry in the dictionary the key is the owner's stable id, while the value is a dictionary object with 3 keys:
GAttrLongID - The long id of the owner
GAttrSecurityDomain - The security domain of the owner
KeyType - The type of the owner. Valid values are: 'account' or 'group'
An example is
ownersDict = {'user1': {GAttrLongID: 'user1', GAttrSecurityDomain: 'domain1', KeyType: 'account'}}