Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHxIUUVD4Qm/XnUB7FKirgu/pY5XULSTFRtHKfQzMQatloZdsF9Qitp5NRi… (844 chars)"
  }
}