Returns JSON data about a single user.

 Required:

 token=[string as defined in LCMS Application Preferences]
 username=[string value, max length 200, accepts alphanumeric and underscores]

ll_lcms/api/userInfo/?token=xxx&username=abc
 

Note: Rather than listing each individual possible error message, only one example is shown above. The “detail” value will only appear if a coding error is detected, i.e. database error.