matrix-spec/event-schemas/examples/m.room.message$m.location

{
  "$ref": "core/room_event.json",
  "type": "m.room.message",
  "content": {
    "body": "Big Ben, London, UK",
    "geo_uri": "geo:51.5008,0.1247",
    "info": {
      "thumbnail_url": "mxc://example.org/FHyPlCeYUSFFxlgbQYZmoEoe",
      "thumbnail_info": {
        "mimetype": "image/jpeg",
        "size": 46144,
        "w": 300,
        "h": 300
      }
    },
    "msgtype": "m.location"
  }
}