[
        {
        "concept":"protein",
        "query":{
                "aggregator":"$and",
                "unaggregated_list":[
                    {"order":1,"path":"xx", "operator":"$eq", "string_value":"dfafa"},
                    {"order":2,"path":"xx", "operator":"$eq", "numeric_value":0}
                ],
                "aggregated_list":[
                    {
                        "aggregator":"$and",
                        "unaggregated_list":[
                            {"order":1,"path":"xx", "operator":"$eq", "string_value":"dfafa"}, 
                            {"order":2,"path":"xx", "operator":"$eq", "numeric_value":0}
                        ],
                        "aggregated_list":[]
                    }
                ]
            }
        }
]