{
    "content": {
        "info": {
            "h": 398,
            "mimetype": "image/jpeg",
            "size": 31037,
            "w": 394
        },
        "url": "mxc://domain.com/JWEIFJgwEIhweiWJE"
    },
    "event_id": "$143273582443PhrSn:domain.com",
    "origin_server_ts": 1432735824653,
    "room_id": "!jEsUZKDJdhlrceRyVU:domain.com",
    "sender": "@example:domain.com",
    "state_key": "",
    "type": "m.room.avatar",
    "unsigned": {
        "age": 1234
    }
}