Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHtlFG6rAkJHmWcF4Ax4c/MBS3WByTMhWMYYg0zfN2S3yOZ+zQyEwhF/WbF… (844 chars)"
  }
}