getInfoFromTagString
Parses the user-related data from the String tag in the standard pattern: "taguserId|clientId". Returns null if the tag doesn't match the pattern, which means it does not contain user-related data.
Parses the user-related data from the String tag in the standard pattern: "taguserId|clientId". Returns null if the tag doesn't match the pattern, which means it does not contain user-related data.