Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBk9pIc/41zMkvvyQa8XUN+iVCTTvk6nI4W/5+QB/ou0zRMnYTLD4Pw4GLD… (1,748 chars)"
  }
}