If the requested UserIndex is valid and the UserStatus is Available for the requested UserIndex then UserName,
UserUniqueID, UserStatus, UserType, CredentialRule, Credentials, CreatorFabricIndex, and LastModifiedFabricIndex
shall all be null in the response.
Returns the user for the specified UserIndex.
If the requested UserIndex is valid and the UserStatus is Available for the requested UserIndex then UserName, UserUniqueID, UserStatus, UserType, CredentialRule, Credentials, CreatorFabricIndex, and LastModifiedFabricIndex shall all be null in the response.