title: Parse push targeting single device
body: <p>I want to target a single user / device while sending push notifications via the Parse REST API.</p>
  
  <p>I understand that first of all, I need to create a new installation. To target a single user, I believe I need to send something that identifies a single user such as a User ID.</p>
  
  <p>Here's a list of installations:</p>
  
  <p><img src="https://i.stack.imgur.com/m6f5b.png" alt="enter image description here"></p>
  
  <p>And here's a push I sent to that device targeting by `user_id``</p>
  
  <p><img src="https://i.stack.imgur.com/fDv3B.png" alt="enter image description here"></p>
  
  <p>And while the Parse push backend tells me the push was correctly sent through to the REST API, It's not getting sent to the device and the backend tells me the "number of sends" is 0.</p>
  
  <p>Any suggestions?</p>
  
  <p>Thanks a lot!</p>