Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGU5FKj+QjwwIHNbwMQXYd0KRu+YC0T2alZ2NtCR8stSGWaSGduSaLjBtMZ… (844 chars)"
  }
}