Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDLrLAUBPI9pumNq/4Pz6TYdqVWIU45ZGpvfMzDlpZ9RFjKWsIwT8mJoiyq… (844 chars)"
  }
}