Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCdF4YsEB0ZOuUhGFVGVgVyhzxdOtLLmKetV1RIXos8MhJBuNHI0eW8ybqJ… (1,748 chars)"
  }
}