Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC+2vN3P2n8hjieH6A5G3gW+zKCDQ/O39lDQIw+JJvLqmd5KkOZdGa8XTKe… (844 chars)"
  }
}