title: Get id from web_custom_request's body
body: <p>i have the following request, and i need to get ticketId from body. Can anybody help me please ? </p>
  
  <pre><code>web_custom_request("loadMessage.json", 
          "URL=http://someURL/loadMessage.json", 
          "Method=POST", 
          "Resource=1", 
          "Referer=http://someURL/096F516B149EFF0F48DD2D12B8AF2577.cache.html", 
          "Snapshot=t14.inf", 
          "EncType=application/json; charset=UTF-8", 
          "Body={\"ticketId\":\"440684\", \"ticketThread\":\"SERVICE_CREATION\", \"locale\":\"en\"}", 
          LAST);
  </code></pre>
  
  <p>Thanks in advance!</p>