Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBetzbsq/A1vs+BaOsfx82/wB5rId1oXXQq1h2xHV/SfhgL7bbK4dqnUCrs… (1,748 chars)"
  }
}