{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "PointGeoJson",
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "coordinates": {
      "type": "array",
      "description": "an array of [long, lat]",
      "items": {
        "type": "number",
        "format": "double"
      }
    }
  }
}