Sorting criteria in the format: property:asc/desc. Default sort is
username:desc. Multiple sort criteria are supported and must be separated with a comma.
Accepts fields: id, lastPasswordChange, failedLoginAttempts, username, realname, email, phone, ldapServerId, distinguishedName, siteId, privilegeLevel, changePasswordOnNextLogin, accountStatus.
If any other field is passed it will be ignored in sorting operation and/or create unpredictable results.