lass="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">return</span> sk<span class="token punctuation">.</span><span class="token function">sign</span><span class="token punctuation">(</span>nonce<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
