authorized_fields = (
            'is_liked',
            'is_followed',
            'is_must_have',
        )
        post_fields = {
            'id',
            'hash_id',
            'type',
            'share_url',
            'description',
            'template',
            'likes_count',
            'city__name',
            'region__name',
            'country',
            'last_comment__is_deleted',
            'last_comment__published_at',
            'last_comment__text',
            'last_comment__author__id',
            'last_comment__author__avatar',
            'last_comment__author__nickname',
            'last_comment__author__is_premium',
            'last_comment__author__verification_status'
        }
        creator_fields = {
            'creator__id',
            'creator__auth0_id',
            'creator__nickname',
            'creator__user__first_name',
            'creator__user__last_name',
            'creator__avatar',
            'creator__is_premium',
            'creator__verification_status',
            'creator__privacy',
        }
        # TODO price in other currencies delete
        # TODO do not show private price
        # TODO Calculate end at
        product_fields = {
            'product__purchase_type',
            'product__price',
            'product__currency',
            'product__brand__name',
            'product__subcategory__name',
            'product__subcategory__parent__name',
            'product__mall__name',
            'product__mall__city__name',
            'product__shop__name',
            'product__shop__city__name',
            'product__shop__city__region__name',
            'product__shop__city__region__country',
            'product__online_shop__name',
            'product__online_shop__url',
            'product__tag',
            'product__is_public_price',
        }
        auction_fields = {
            'auction__id',
            'auction__type',
            'auction__status',
            'auction__min_price',
            'auction__buy_now_price',
            'auction__currency',
            'auction__duration_days',
            'auction__item_condition',
            'auction__highest_bid__amount',
            'annotate_bidders_count',
            'auction__start_at',    # Consider adding end at
            'auction__success_info__winner',
            'auction__success_info__type',
        }