Retrieves a cause

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

{
  "data": {
    "id": "1b4df991-9810-4fe9-9957-8bfe41dd0bbd",
    "type": "causes",
    "attributes": {
      "slug": "dolorem-qui-eius-vitae",
      "name": "Dolorem qui eius vitae.",
      "description": "Dicta blanditiis id sit.",
      "position": 1,
      "created_at": "2026-02-18T13:12:06.766-08:00",
      "updated_at": "2026-02-18T13:12:06.766-08:00"
    }
  }
}