Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFFvGCZQ/WMZitoYzWZcqmLOkUbzaW08ZIWR9jGE8h7hDVwUKPBF+CJEtlA… (844 chars)"
  }
}