Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCjFJEyq4S9BXkCmOWQNAtTWcquiRfbZG+IaTPVxTCRw342elztbvz1eJE+… (1,748 chars)"
  }
}