Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH8Tq48AOUVc5MUCw830NGfBqjfSi4/B+Bm33IXBMRkVzTlHQiRNg4YKIAW… (844 chars)"
  }
}