Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF0HQlZxlyKZCVqJOWCbagmqnvZFoJwYHZxp/Jppd7UdG/bp8j9DHHBdEwo… (844 chars)"
  }
}