Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBIOT6k/nwZZTOJ+CaAUE4elVq7b/YPgzPdNIrPjk0c4TtbEiqzbH9U9elP… (844 chars)"
  }
}