Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAyGEtIiG/InvzidDyKKOn0/M1iL2MaeYcc48MQQH3XN0Dr15ByeqiH1uEi… (1,748 chars)"
  }
}