https://signon.mtn.co.za/mtnnewwebsso/pages/login.jsp?contextType=external&username=string&password=secure_string&challenge_url=%2Fmtnnewwebsso%2Fpages%2Flogin.jsp&request_id=-2745587523076758125&authn_try_count=0&locale=en_US&resource_url=%252Fuser%252Floginsso