Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH2Q2gKMqM9wXqG92JKPuuPSg1iimJCm+J4RB1bavEILSXH7Q0WsAQwEps2… (1,748 chars)"
  }
}