Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEqthTSdkc7FRjVt9MHHOpvwI9wz+TgNaPuLDcMtSmlBmscOz7n8KgB3n8N… (844 chars)"
  }
}