For a given file id, return the file associated with that Id. The initial GET on this URL returns a redirect, which should be followed to retrieve the file.
The access token received from the authorization server in the OAuth 2.0 flow.
The ID of the file to retrieve.
The portal ID.
The signature for the request.
The conversion ID associated with the file upload.
The filename of the uploaded file.
The HubSpot API key.
Redirect to the file download URL