Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD1cKoFT0JHiUiCA7+cJOVTgk/lpXzyEM0Dr+N0P9p6i3UZpNWMvwGqiB/i… (844 chars)"
  }
}