ad_position,app_bundle,app_id,app_name,auction_id,bid_time,category,content_coppa_flag,content_language,content_rating,domain,environment_type,geo_city,geo_country,geo_metro,geo_region,geo_zip,inventory_interstitial,inventory_source,inventory_source_relationship,ip_address,ip_range,placement,platform_bandwidth,platform_browser,platform_browser_version,platform_carrier,platform_device_didmd5,platform_device_didsha1,platform_device_dpidmd5,platform_device_dpidsha1,platform_device_idfa,platform_device_ifa,platform_device_make,platform_device_model,platform_device_screen_size,platform_device_type,platform_js,platform_os,platform_os_version,segment_id,segment_user_id,site_id,site_name,time_of_week,user_id,video_boxing_allowed,video_companion_required,video_playback_method,video_player_size,video_start_delay,test,placement_type,geo_lat,geo_lon,video_min_Duration,video_max_duration,video_player_width,video_player_height,banner_width,banner_height,banner_width_max,banner_height_max,banner_width_min,banner_height_min,dnt,geo_type,bid_time_epoch_in_usecs,page_url,exchange_predicted_view_rate,available_deal_ids,battrs,exchange_auction_id,rewarded,ua,account_id,auction_adgroup_id,bid_price_micros_usd,bid_time,buzz_key,campaign_id,campaign_revenue_amount_micros,campaign_revenue_type,creative_id,customer_id,deal_id,line_item_id,line_item_revenue_amount_micros,line_item_revenue_type,pre_reduction_bid_price_micros_usd,sent_to_exchange,total_cpm_vendor_fee_amount_micros,total_percent_vendor_fee_amount_micros,model_id,model_params,bidding_strategy_id,bidding_strategy_params,bid_price_micros,bid_price_micros_currency,bid_price_micros_currency_rate,exchange_feedback_bid_id,adx_creative_status_code,adx_cpm_micros
Header of a log file we received