How to combine a nested json file which is being partitioned on the basis of source tags and has varying internal structure into a single json file differently sourced Tag and varying structure

Question

Source tags are different:

{  x : [

        { "Source":"xyz",

           "content":{

                   "cont1": "abc",

                   .............1............

                   ...............2..........

                   .................3........

                   }

             } ,

    { "Source": "try",

       "contents": {

        "cont1": "jfgj",

         ........1......."

       },  

     "content2":{

        "extra data":" present",

       " so" : "structurally different  for different sources",

       " and also": "maintains a separate structure amongst the same sources"

     }

  ]

}