Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGYCn8NP/7CSqtFrv47i1BkBYvGM9H4QdRyRe58qXMZRx5tpBQNCLzkwLZK… (844 chars)"
  }
}