Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCoN9wdGHpzlO1cXA6f3czJd+Z3IqOB+PbYVKnOL7GbVHwIKMNd0ZwjlZPg… (1,748 chars)"
  }
}