{
  "$ref": "core/room_event.json",
  "type": "m.room.message",
  "content": {
    "body": "something-important.doc",
    "filename": "something-important.doc",
    "info": {
      "mimetype": "application/msword",
      "size": 46144
    },
    "msgtype": "m.file",
    "url": "mxc://example.org/FHyPlCeYUSFFxlgbQYZmoEoe"
  }
} 
