import SGPClient from 'sgp';

const client = new SGPClient({
  apiKey: 'My API Key',
});

const response = await client.beta.files.content('file_id');

console.log(response);

const content = await response.blob();
console.log(content);

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}