Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB4nLBXiXv6ZyjTDdXRDEGmjB+H/1aAX7OfMgQHdlJm1Emhi5CC5bJ29Ujz… (1,748 chars)"
  }
}