Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEDXtaEWuYMuWfRPAv9+O2jhImFgcLbu8eeiBa0L68BYUP+zKE5Vy3qKKz0… (844 chars)"
  }
}