curl --request POST \
  --url https://api.helicone.ai/v1/experiment/table/{experimentTableId}/metadata/query \
  --header 'Authorization: <api-key>'

{
  "data": {
    "id": "<string>",
    "name": "<string>",
    "experimentId": "<string>",
    "createdAt": "<string>",
    "columns": [
      {
        "columnType": "<string>",
        "columnName": "<string>",
        "id": "<string>"
      }
    ],
    "metadata": "<unknown>"
  },
  "error": null
}