[{:id 1234
                    :details [{:offer 1
                               :offers [{:id 1 :price 200} {:id 5 :price 200}]
                               :amount 2, :mileage "10000", :car {:id 1, :name "Audi TT71", :cid 1, :sign "AB12345"}, :capacity "100", :payment :prepay, :inrush "100", :width "200", :type :battery, :warranty 2, :ship true, :length "100", :image nil, :height "100"}
                              {:offer 2
                               :offers [{:id 4 :price 200}]
                               :amount 2, :mileage "10000", :car {:id 1, :name "Audi TT71", :cid 1, :sign "AB12345"}, :capacity "100", :payment :prepay, :inrush "100", :width "200", :type :battery, :warranty 2, :ship true, :length "100", :image nil, :height "100"}]}]