src/priv.ps.js
function psOpen() {
    _event('dev', 'pubsub - connected successfully');
    let frame = {
      type: 'LISTEN',
      nonce: 'listenToTopics',
      data: {
        topics: [
          'channel-bits-events-v1.' + state.channel_id,
          // 'channel-subscribe-events-v1.' + state.channel_id,
          'chat_moderator_actions.' + state.id + '.' + state.channel_id,
          'whispers.' + state.id,
        ],
        auth_token: state.oauth,
      },
    };

    send(JSON.stringify(frame));

    ping();
  }
function psOpen() {
    _event('dev', 'pubsub - connected successfully');
    let frame = {
      type: 'LISTEN',
      nonce: 'listenToTopics',
      data: {
        topics: [
          'channel-bits-events-v1.' + state.channel_id,
          // 'channel-subscribe-events-v1.' + state.channel_id,
          'chat_moderator_actions.' + state.id + '.' + state.channel_id,
          'whispers.' + state.id,
        ],
        auth_token: state.oauth,
      },
    };

    send(JSON.stringify(frame));

    ping();
  }
https://dev.twitch.tv/docs/v5/guides/PubSub/