import re
s=b'''


<!--P{margin-top:0;margi=
n-bottom:0;}-->




{
"vpn_detail":
   {
      "username":"harnishs&q;=
uot;,   
      "tokens":   =
;
         [
            =
;"85188605",
            =
;"00422786",
            =
;"94548619",
            =
;"51249494",
            =
;"HHEF0EA5",
            =
;"2E09A81E"
          ],
      "cluster_name":"bgl13-=
vpn-cluster-2.cisco.com"
   }

}





'''
# soup.text.strip().replace(" ", "")
print( re.sub(r'\s+(?:=\s*;\s*)?', ' ', re.search(r'{\s*"\w+".*}', s.decode("UTF8"), re.S).group().strip()).replace('&q;= uot;','"'))
# { "vpn_detail": { "username":"harnishs",	"tokens":	
#[ "85188605", "00422786", "94548619", "51249494", "HHEF0EA5", "2E09A81E" ], 
#"cluster_name":"bgl13-vpn-cluster-2.cisco.com" } }