title: Get/match text between brackets if prefix is some string in very big file
body: <p>I have a text file which is &gt; 13GB and I need to parse only certen events from it.</p>
  <p>For example structure of the file is like:</p>
  <pre><code>events internal-soho-ds-missing-neighbour :
     {
        ue-context valid : 3533, 
        rnc-module-id valid : 12, 
        c-id-1 valid : 25472, 
        rnc-id-1 valid : 721
     }
  events rrc-measurement-report :
     {
        ue-context valid : 3533, 
        rnc-module-id valid : 12, 
        c-id-1 valid : 25472, 
     }
  </code></pre>
  <p>After opening file in pythone I need only the part between brackets <code>{}</code> if prefix is <code>events internal-soho-ds-missing-neighbour :</code></p>
  <p>What is the best way to do it considering that the file is huge 13.8 GB, regex?</p>