code: public void getStreamInfo(String streamId, final KickflipCallback cb) {
          GenericData data = new GenericData();
          data.put("stream_id", streamId);
  
          post(GET_META, new UrlEncodedContent(data), Stream.class, cb);
      }
docs: Get Stream Metadata for a a public {@link io.kickflip.sdk.api.json.Stream#mStreamId}.
  The target Stream must belong a User within your Kickflip app.
  <p/>
  This method is useful when digesting a Kickflip.io/<stream_id> url, where only
  the StreamId String is known.
  
  @param streamId the stream Id of the given stream. This is the value that appears
  in urls of form kickflip.io/<stream_id>
  @param cb       A callback to receive the current {@link io.kickflip.sdk.api.json.Stream} upon request completion