Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGIs7LTpKu4lRjGVyg3cE9wiX/9jUf1aMOQQySoGCQJC3kLJKK7pDFj/kIO… (844 chars)"
  }
}