There are two ways a client could find and load that note:

The nevent is:
  id=3800be8bb2d802b05ff3c4e9e003d89e6c669ea9aa2e5fbf8e618693b8eee034
  relays=wss://relay.westernbtc.com/

The quote 'q' tag is:
  [
      "q",
      "3800be8bb2d802b05ff3c4e9e003d89e6c669ea9aa2e5fbf8e618693b8eee034",
      "wss://relay.westernbtc.com/"
  ]