Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAzA8Zx9bHbHqTvm9JZOCexS8NpwepHFbzd+Tpv6MWzVC88sxvxCzDNwL3C… (844 chars)"
  }
}