Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCGfAs21PrWMccHFL6Bw/jNPxkJXNaWqZPItZTi0cICY19Vt3A/8fskgIdF… (1,748 chars)"
  }
}