Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAV/RI48CWBvcHj6WMMy0EGNt7JyhJ69K9cqtCPfkNHcwrGJ3Wr+XL6fuBT… (1,748 chars)"
  }
}