Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBHCzBHy1Sp8su5oFVfT0qdlVWrKwBYRQ7y1S4j4ZWE2EsBM3x/+teiyu1A… (844 chars)"
  }
}