Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDpJR+GUEhhIuif1RGm3nRSE1uZcUTHbAO1sKZgwsIqXH8N9Xrac0QHfQF9… (1,748 chars)"
  }
}