Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBiVWV6vihKz0RoWjiC1tub6gUo7iIAtPaymYdD/+L2+D5u2/rQV/HIv9FY… (1,748 chars)"
  }
}