Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDAyO0+DpT2liOc5iBoMpU1bA9Nj7B/ph6Ucc4t+aRFG2P+UbYRuLbYhYXS… (844 chars)"
  }
}