Retrieves a cause

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

{
  "data": {
    "id": "e1b375b8-2154-4534-a2be-49f2f3515c48",
    "type": "causes",
    "attributes": {
      "slug": "necessitatibus-possimus-aliquid-corporis",
      "name": "Necessitatibus possimus aliquid corporis.",
      "description": "Magni et qui blanditiis.",
      "position": 1,
      "created_at": "2026-02-04T06:08:23.423-08:00",
      "updated_at": "2026-02-04T06:08:23.424-08:00"
    }
  }
}