Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHLO6C+XE6wvBzUzDYSrQTiRvKU/yFdm+hY9FWDNOYgf2wZjknlFX6QYqKA… (844 chars)"
  }
}