active: # one of: true, false
type: # one of: OFFER, WANTED
title:
description:
category:
special_attributes: {}
price:
price_type: # one of: FIXED, NEGOTIABLE, GIVE_AWAY, NOT_APPLICABLE
shipping_type: # one of: PICKUP, SHIPPING, NOT_APPLICABLE
shipping_costs:
images: []
contact:
  name:
  street:
  zipcode:
  phone:
republication_interval:
id:
created_on:
updated_on: