def METHOD_NAME(dut, table=None, object=None, attribute=None):
    """
    Get Config DB json value based on table, object, attribute
    Author: Rakesh Kumar Vooturi (rakesh-kumar.vooturi@broadcom.com)
    :param dut:
    :param table:
    :param object:
    :param attribute:
    :return:
    """
    command = "cat /etc/sonic/config_db.json"
    output = st.show(dut, command, skip_tmpl=True)
    reg_output = utils_obj.remove_last_line_from_string(output)
    try:
        data = do_eval(json.dumps(json.loads(reg_output)))
        if table is None and object is None and attribute is None:
            return data
        elif table is not None and object is None and attribute is None:
            return data[table]
        elif table is not None and object is not None and attribute is None:
            return data[table][object]
        elif table is not None and object is not None and attribute is not None:
            return data[table][object][attribute]
    except Exception as e:
        st.log(e)
        return None