Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHpnfHzRRTNtJdE3u+QN2C46BEeqyoa60K8QzRCM8aVSDkw3WfdMfpL9Uqc… (844 chars)"
  }
}