Interface IUnsigned

interface IUnsigned {
    age?: number;
    invite_room_state?: Required<
        Pick<IEvent, "type" | "content" | "state_key" | "sender">,
    >[];
    "m.relations"?: Record<string, any>;
    "org.matrix.msc4023.thread_id"?: string;
    prev_content?: IContent;
    prev_sender?: string;
    redacted_because?: IEvent;
    replaces_state?: string;
    transaction_id?: string;
    [key: string]: any;
}