transform JSON obj coming from Ariane to ariane_clip3 object
        :param json_obj: the JSON obj coming from Ariane
        :return: ariane_clip3 RoutingArea object

def json_2_routing_area(json_obj):
        """
        transform JSON obj coming from Ariane to ariane_clip3 object
        :param json_obj: the JSON obj coming from Ariane
        :return: ariane_clip3 RoutingArea object
        """
        LOGGER.debug("RoutingArea.json_2_routing_area")
        return RoutingArea(raid=json_obj['routingAreaID'],
                           name=json_obj['routingAreaName'],
                           description=json_obj['routingAreaDescription'],
                           ra_type=json_obj['routingAreaType'],
                           multicast=json_obj['routingAreaMulticast'],
                           routing_area_loc_ids=json_obj['routingAreaLocationsID'],
                           routing_area_subnet_ids=json_obj['routingAreaSubnetsID'])