Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAo8+yi15/27seqX7ZtKPxnxfqB/YsGy5h4X8cuv7SHxHpzBWyZuYkL22Ge… (1,748 chars)"
  }
}