[
  {
    "a": "value a", 
    "b": "value b", 
    "c": "value c", 
    "sublist1": [
        {
            "a": "should not be ovveridden",
            "d": "value d",
            "sublist2": [{"e": "value e"}]
        },
        {
            "sublist2": [{"e": "value e"}]
        }
    ]
  }
]