Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB27fun/d5frCwXVJC+ap8sC4y3YsXw7XMjgohT+NBADgP1ZpWK4Zts/nfe… (1,748 chars)"
  }
}