Node-RED block in Snap4City Microservice library node-red-contrib-snap4city-user is "dashboard-websocket-in">
    <p>dashboard-websocket-input node.</p>
    <p>By default, the data received from the WebSocket will be in
        <code>msg.payload</code>. The socket can be configured to expect a properly formed JSON string, in which case it will parse
        the JSON and send on the resulting object as the entire message.</p>