Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDaUtR624L1OIVXZd8ROjKukp+tIWGZV1IeO9z7BWHu+WK5ti8oZJJtz4oa… (1,748 chars)"
  }
}