CREATE TABLE role_snapshot_propositions (
    history_event_id SERIAL PRIMARY KEY,
    history_user_id uuid NOT NULL,
    history_originator_id text,
    history_action text NOT NULL,
    history_timestamp integer NOT NULL,
    history_comment text,
    
    confirmations_need integer NOT NULL,
    proposition_id text NOT NULL,
    proposition_meta text,
    
    data text
);
