curl --request GET \
  --url https://api.example.com/api/notebooks/{s3_key}/metadata \
  --header 'Authorization: Bearer <token>'

{
  "s3_key": "<string>",
  "owner": "<string>",
  "size_bytes": 123,
  "last_modified": "2023-11-07T05:31:56Z",
  "config": {
    "name": "<string>",
    "compute": "<string>",
    "approval_required": false,
    "schedule": "<string>"
  },
  "tasks": [
    {
      "name": "<string>",
      "cell_indices": [
        123
      ]
    }
  ],
  "inputs": [
    {
      "source": "spark.read.table",
      "cell_index": 123,
      "table": "<string>",
      "format": "<string>"
    }
  ],
  "outputs": [
    {
      "kind": "spark_write",
      "cell_index": 123,
      "table": "<string>",
      "mlflow_experiment": "<string>"
    }
  ],
  "framework": "<string>",
  "warnings": [
    "<string>"
  ]
}