#39;signing_payload&#39;</span> <span class='op'>=&gt;</span> <span class='symbol'>:&#39;String&#39;</span><span class='comma'>,</span>
    <span class='symbol'>:&#39;transaction_type&#39;</span> <span class='op'>=&gt;</span> <span class='symbol'>:&#39;TransactionType&#39;</span><span class='comma'>,</span>
    <span class='symbol'>:&#39;transaction_id&#39;</span> <span class='op'>=&gt;</span> <span class='symbol'>:&#39;String&#39;</span>
  <span class='rbrace'>}</span>
<span class='kw'>end</span></pre>
   