{
  "data": {
    "url": "https://vega.github.io/vega-lite/data/cars.json"
  },
  "mark": "square",
  "encoding": {
    "x": {
      "field": "Horsepower",
      "type": "quantitative"
    },
    "y": {
      "field": "Miles_per_Gallon",
      "type": "quantitative"
    }
  }
}
