title: how parsing Firebase FDatasnapshot json data in swift
body: <p>I'm having issue getting data from Firebase.</p>
  
  <p>schema is</p>
  
  <pre><code>{
      title: "dog",
      images: {
          main: "dog.png",
          others: {
              0: "1.png",
              1: "2.png",
              2: "3.png"
          }
      }
  }
  </code></pre>
  
  <p>how can i parse FDataSnapshot to swift model??</p>