Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHCF1HBylQRHe+8J6YCJRpPnFQWIrko6JybgB0OUKlX0ygWg+M+s3Yp4kHH… (844 chars)"
  }
}