Retrieves a cause

curl --request GET \
  --url https://api.rootly.com/v1/causes/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "753fac6e-50d1-410f-8e4c-ebd537f4b199",
    "type": "causes",
    "attributes": {
      "slug": "facere-quis-officiis-quia",
      "name": "Facere quis officiis quia.",
      "description": "Enim sed illum id.",
      "position": 1,
      "created_at": "2026-02-13T18:05:15.903-08:00",
      "updated_at": "2026-02-13T18:05:15.903-08:00"
    }
  }
}