{"configs" :
         [
          {name : "config1", list : [{name : "ele1.1" , list:  [1,2]}, {name : "ele1.2" , value : "true"}]},
          {name : "config2", list : [{name : "ele2.1", list : [3,4]}, {name : "ele2.2" , value : "true"}]}
         ]
}