Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDOrUhnlPjfQAuWZnmGfWFnbd7tmruPpD/7WuQyqH44jE5/wtv5DOyTlJc/… (1,748 chars)"
  }
}