Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBePc5ywNsO/5ydcQvGtbhzVE2OkJP0Dj+fZpPBKA0KOy/Z4BfGqIrhTwNH… (844 chars)"
  }
}