List all datasets

{
  "object": "list",
  "data": [
    {
      "id": "string",
      "organization_id": "string",
      "name": "string",
      "description": "string",
      "item_count": -2147483648,
      "metadata": {
        "property1": null,
        "property2": null
      },
      "created_at": "string",
      "updated_at": "string",
      "object": "dataset"
    }
  ],
  "has_more": true,
  "next_cursor": "string"
}