title: Convert Google-Ads API GoogleAdsRow to json?
body: <p>Im querying google ads api and need to save results as json.
  What is the best way to convert GoogleAdsRow type into json?</p>
  
  <p>The result of the google ads appi look like this (the campaign and customer ids are fake):</p>
  
  <pre><code>campaign {
    resource_name: "customers/752830100/campaigns/22837002"
    id {
      value: 22837002
    }
    name {
      value: "test"
    }
  }
  metrics {
    clicks {
      value: 51
    }
    impressions {
      value: 33
    }
  }
  </code></pre>
  
  <p>type = <code>&lt;class 'google.ads.googleads_v1.types.GoogleAdsRow'&gt;</code></p>