Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA8JlnA/w038T+uAinMdaenStXaZULcYYzlz4fEqGBetEVNHlqrs1KUOC9x… (1,748 chars)"
  }
}