Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC1vAdwXVTSzHBe2bSNqTqYg1uBCauFael6QBtpaXhLE0+9WdoS88f1HzQ9… (1,748 chars)"
  }
}