[{"pk": 1, "model": "cars.car", "fields": {"old_price": "2800", "name": "Lada 2109", "new_price": "2800"}}, {"pk": 2, "model": "cars.car", "fields": {"old_price": "10000", "name": "Daewoo SENS", "new_price": "6000"}}, {"pk": 3, "model": "cars.car", "fields": {"old_price": "23000", "name": "Nissan Note", "new_price": "23000"}}]