matrix-rust-sdk/test_data/events/alias.json

{
    "content": {
        "alias": "#tutorial:localhost"
    },
    "event_id": "$15139375513VdeRF:localhost",
    "origin_server_ts": 1513937551461,
    "sender": "@example:localhost",
    "state_key": "",
    "type": "m.room.canonical_alias",
    "unsigned": {
        "age": 7034220433
    }
}