ass="w">        </span><span class="n">PlayerActivityChangedMessage</span><span class="o">::</span><span class="n">topic</span><span class="p">(),</span>
<span class="w">        </span><span class="n">PlayerActivityChangedMessage</span><span class="o">::</span><span class="n">action</span><span class="p">());</span>

<span class="w">    </span><span class="n">m_messageBroker</span><span class="o">-&gt;</span><span class="n">subscribe</span><span class="p">(</span>
<span class="w">        </span><span class=