curl --request GET \
  --url https://api.cartesia.ai/fine-tunes/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Cartesia-Version: <cartesia-version>'

{
  "id": "<string>",
  "name": "<string>",
  "description": "<string>",
  "language": "<string>",
  "model_id": "<string>",
  "dataset": "<string>",
  "status": "created"
}