Importing a geoJSON object directly onto Google Maps V3

I am currently working on developing a map using floor plans stored in mongodb. Instead of saving the JSON data into a file and calling it with 

map.data.loadGeoJson('myfile.json')
, I want to create an object directly for better efficiency. Below is an example:

var tempObject = {
    "type": "FeatureCollection",
    "features": [
      {
        "type": "Feature",
        "properties": {
          "letter": "G",
          "color": "blue",
          "rank": "7",
          "ascii": "71"
        },
        "geometry": {
          "type": "Polygon",
          "coordinates": [
            [// Coordinates array here]
          ]
        }
      }
    ]
  };


  map.data.loadGeoJson(tempObject);

But this method doesn't seem to work as expected. Is there a different approach to load all data from a single object, or do I have to resort to saving files or creating individual polygons using google.maps.Polygon()?

jsongoogle-mapsgoogle-maps-api-3geojson

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