{
  "join": [{
    "name" : "delayed_updated_ca",
    "daily_update_uri": "<daily-update-uri>",
    "bidding_logic_uri": "<bidding-logic-uri>",
    "user_bidding_signals": {
      "valid": true,
      "arbitrary": "yes"
    },
    "trusted_bidding_data": {
      "trusted_bidding_uri": "<buyer-trusted-bidding-uri>",
      "trusted_bidding_keys": [
        "key1",
        "key2"
      ]
    },
    "ads": [{
      "render_uri": "<ad-render-uri-1>",
      "metadata": {
        "valid": 1
      }
    },
      {
        "render_uri": "<ad-render-uri-2>",
        "metadata": {
          "valid": 2
        }
      }
    ]
  }],
  "leave": []
}