code: function isQuery(topic) {
    var queryPrefix = 'query/';
    if (topic.slice(0, queryPrefix.length) === queryPrefix) {
      return true;
    }
  
    var queryPrefix = 'query:';
    if (topic.slice(0, queryPrefix.length) === queryPrefix) {
      return true;
    }
  
    return false;
  }
docs: query:{id}/<topic> query/<topic>