{
  "center": {
    "lat": 53.5438,
    "lon": 9.9768
  },
  "height": 500,
  "markers": [
    {
      "color": "blue",
      "coord": {
        "lat": 53.54129165,
        "lon": 9.98420576699353
      }
    },
    {
      "color": "yellow",
      "coord": {
        "lat": 53.54565525,
        "lon": 9.9680555636958
      }
    },
    {
      "color": "red",
      "size": "tiny",
      "coord": {
        "lat": 53.54846472989871,
        "lon": 9.978977621091543
      }
    }
  ],
  "overlays": [
    "http://openfiremap.org/hytiles/{0}/{1}/{2}.png"
  ],
  "width": 800,
  "zoom": 15
}