title: How to get first key pair element of JSON object without knowing key and deleting it in node red
body: <p>I am writing a function node in node-red that is taking in a JSON object with arbitrary key val pairs: </p>
  
  <pre><code>{ 30000c690b61: "m8Jp_M7Lc0",
    30000c290bdc65: "S3qg3Rkl8Y", 
    30000c290bdf1c: "KsLpfVrR4W", 
    30000c290be5d0: "oXasuCWV_q", 
    30000c29e618: "6Q67v-gJkS" … }
  </code></pre>
  
  <p>I would like to access the first key pair element in this object, store it, and then delete it. I have tried multiple things, but since it is node-red, it seems to behave different </p>