Serve the PNG thumbnail for a preview file when the share token is valid.
GET
/shared/playlists/{token}/pictures/thumbnails/preview-files/{preview_file_id}.png
curl \
--request GET 'http://api.example.com/shared/playlists/{token}/pictures/thumbnails/preview-files/{preview_file_id}.png' \
--header "Authorization: $API_KEY"
Response examples (404)
{
"error": "string"
}