Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBXqUftktPZwi2zO4BhqPfD1c1aWRZGpSeKPjQAFR6ajgbN+ROvwxg8MVNB… (844 chars)"
  }
}