def xml = "" "<data contentType=" application/ x- www- form- urlencoded; charset= UTF- 8 " contentLength=" 53 "><![CDATA[atsToken=DA:1501022300340:fmsBe51FV_TUmnJFj1nz5f77Jqg]]></data>" ""
def pxml = new XmlSlurper( ) .parseText ( xml)
def p = new Properties( )
p.load ( new StringReader( pxml.text ( ) ) )
println p.atsToken
ZGVmIHhtbCA9ICIiIjxkYXRhIGNvbnRlbnRUeXBlPSJhcHBsaWNhdGlvbi94LXd3dy1mb3JtLXVybGVuY29kZWQ7Y2hhcnNldD1VVEYtOCIgY29udGVudExlbmd0aD0iNTMiPjwhW0NEQVRBW2F0c1Rva2VuPURBOjE1MDEwMjIzMDAzNDA6Zm1zQmU1MUZWX1RVbW5KRmoxbno1Zjc3SnFnXV0+PC9kYXRhPiIiIgpkZWYgcHhtbCA9IG5ldyBYbWxTbHVycGVyKCkucGFyc2VUZXh0KHhtbCkKZGVmIHAgPSBuZXcgUHJvcGVydGllcygpCnAubG9hZChuZXcgU3RyaW5nUmVhZGVyKHB4bWwudGV4dCgpKSkKcHJpbnRsbiBwLmF0c1Rva2Vu