Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKzS7PWiOBMX3ZH1r5FxI+NpT0sZ9OUF5FK9gSjWkWBwED3PgbHCG33piLq… (844 chars)"
  }
}