Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA0WKOtOB6GJFzf4CIOgTHTrNEa5d/3Q6aeyneoNoqXthSGvSuW0bADjF0B… (1,748 chars)"
  }
}