Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDZDM84TT33DJ2sGH6Xo2iPGQfk9M7P9QmNQpKmIZM6H3qg0k4Yi+kTF5KH… (844 chars)"
  }
}