Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFsE8fh+zLr91SM9X3NFD/gCaSUKcTcQtE/0BU1dICq3FYyZ+2O4p+Qrsdz… (844 chars)"
  }
}