Hi @yli,
When another user makes a post, you should receive a JSON-serialized message over the websocket like
{
"event": "posted",
"data": {
"post": "{\"id\": \"1234\", \"message\": \"test message\"}" // a JSON-serialized Post object like you'd get from the API
}
}
We're working on proper documentation for our websocket API that will be available in a few days, but in the mean time, you can look here for an example of how our web app handles them.