Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD0HI4qH9jIr6YgtDHbXKFCH0eBd2jMPowywdL8x3XwAmX+C1aoD0Vg/b06… (844 chars)"
  }
}