Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGYwCQXONYL6fZautVYXkJni22OQ9jcVXOh6lzV9AfQAk/i6X3xo2v4sWtD… (844 chars)"
  }
}