Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDpNP87WJqiNfS98+iNmD/HHnFFXW/w5SkQQt17fCYFsCDWVRJOY3A0UBQZ… (1,748 chars)"
  }
}