The text content of the message.
Unique identifier for the message.
The recipient of the message. If undefined, this is a public message sent to the room. If specified, it is only shown to the recipient. Others in the room will not see or receive it.
The room the message was sent to.
The time the message was sent (in ms since the epoch).
Some messages are sent in response to changes to the room (e.g. a room or user may have been renamed). This field will include a list of the entities which were updated, so the client may refresh its representation of these entities.
The ID of the author of the message.