Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFCcr9k67SGrz4P5nYOKR7AQG56TtJR0aeZHg/A1dxJizKyOHTvO6KCUDw2… (844 chars)"
  }
}