Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH3Aok5e6v8dJyNgY6ADhgNWtBvFoh7P/I1qaTbI5uxkR5FCVf8L8VfFlY9… (844 chars)"
  }
}