title: Migration from Rest(Express) to GraphQL: Models(mongoose) don't work in graphQL resolvers
body: <p>Thank you for your attention!</p>
  <p>I decided to transfer my REST API(Express) to GraphGL.
  Everything worked before adding subscribers.
  Now all models return Timeout:
  <a href="https://i.stack.imgur.com/6GRHj.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/6GRHj.png" alt="enter image description here" /></a>
  <a href="https://i.stack.imgur.com/eZwDX.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/eZwDX.png" alt="enter image description here" /></a></p>
  <p>Resolvers:
  <a href="https://i.stack.imgur.com/Wi2D1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Wi2D1.png" alt="enter image description here" /></a></p>
  <p>If I clean the model, then it can return something to me:
  <a href="https://i.stack.imgur.com/OQAfQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/OQAfQ.png" alt="enter image description here" /></a>
  <a href="https://i.stack.imgur.com/LhEUO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LhEUO.png" alt="enter image description here" /></a></p>
  <p>Here is the code:
  <a href="https://codesandbox.io/s/zen-cohen-7o74v?file=/models/owner.js" rel="nofollow noreferrer">https://codesandbox.io/s/zen-cohen-7o74v?file=/models/owner.js</a></p>