Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDSlTQKtjysQEAXgcw7rcNJDxzXBhmRkgDndiJGxPgcjA+YHQhFuAz4zmOA… (1,748 chars)"
  }
}