{
  "type": "FeatureCollection",
  "features": [
    {"type": "Feature","properties": {"date": "20130102"},"geometry": {"type": "Point", "coordinates": [1, 2]}},
    {"type": "Feature","properties": {"date": "20130202"},"geometry": {"type": "Point", "coordinates": [3, 4]}},
    {"type": "Feature","properties": {"date": "20130103"},"geometry": {"type": "Point", "coordinates": [7, 8]}}
  ]
}