Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQANMA78kt9bEMwjLViS1BT5TnANryD1cDVh6PaCBkiyLgahMO5xo7hqT6ZZ… (1,748 chars)"
  }
}