Get an overlay

curl --request GET \
  --url https://api.gcore.com/streaming/streams/{stream_id}/overlays/{overlay_id} \
  --header 'Authorization: <api-key>'

{
  "id": 1,
  "stream_id": 12345,
  "url": "http://domain.com/myoverlay1.html",
  "width": 120,
  "height": 40,
  "x": 30,
  "y": 30,
  "stretch": false,
  "created_at": "2023-09-20T00:01:01.000Z",
  "updated_at": "2023-10-01T12:01:01.000Z"
}