Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCVEbhYWq8X7TaRaGYs+4RdgEQcUgWHAAJ/BNj5i7aPPmSNUN6AycCYtYD/… (844 chars)"
  }
}