Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHkJC2tGVpz/1/9B5mK6o2k6l5jmIVqa8Kuv6TYR4ITVD8tMaJC9h9fODwM… (844 chars)"
  }
}