Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAJazWxQe4u1uPnVrI5/PnN/WV1QzmlkBIytyeFWlMal30U7qHX/0Hl0nJZ… (1,748 chars)"
  }
}