Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHhc9m+ACp9Zx4vETaV/hX8sDKZsK1SfXiK77odFDeHzD1Rc0JWNQ/OsNVQ… (1,748 chars)"
  }
}