ovr_User_GetLoggedInUser Function
Retrieve the currently signed in user. This call is available offline.
NOTE: This will not return the user's presence as it should always be 'online' in your application.
NOTE: Users will have a unique ID per application.
Error codes- 100: Something went wrong.
A message with type ovrMessage_User_GetLoggedInUser will be generated in response.
ovrRequest ovr_User_GetLoggedInUser()