Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBtrGOWEl4HObKzfC5dn7o1YLOuUUjNEJmXvWNFHMUi9BUZmWJx9259KmLT… (844 chars)"
  }
}