Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGT4mC5AlYIYrAXvw/O2DDl6VTJg9mFaRE9Eahkq+1FqymzOTJcrmEEyOj3… (844 chars)"
  }
}