Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHiEQD8b9vv+vYId2zD5USArHnKHqK6dqkqEXKuslCYHxLEsZ8bFQ0eBKK2… (844 chars)"
  }
}