Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFXxtFVv6aOpKVT7ylNqpIfixAxRJbXaWDFH7UDNiXt9h3w1Uu5YCaG4qnq… (844 chars)"
  }
}