Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF8KCk50emz9L9xwYx+r0Yqq38dN6FnKjcjCy2ZNF2XAUf9PQ28Ot8pdEdN… (844 chars)"
  }
}