Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBUO7GU5faNP+K+f4ssicR6Ypj2hE/GQ5R4yuO7VBYAHV7cJ0vJSWYPjTpw… (844 chars)"
  }
}