Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGU2TpvDrgXSCMp68syRPiqflWw3dYVexuNW02yrgHYQhUXnwUBWiQq5xh2… (1,748 chars)"
  }
}