{
  "user_bidding_signals": {
    "valid": true,
    "arbitrary": "yes"
  },
  "trusted_bidding_data": {
    "trusted_bidding_uri": "https://js.example.com/bidding/trusted",
    "trusted_bidding_keys": [
      "key1",
      "key2"
    ]
  },
  "ads": [
    {
      "render_uri": "https://js.example.com/render/ad1",
      "metadata": {
        "valid": 1
      }
    },
    {
      "render_uri": "https://js.example.com/render/ad2",
      "metadata": {
        "valid": 2
      }
    }
  ]
}