Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA8cV/sB65mXwTF5Wskofn/nw922Q3JxQLL4dpx0V6IDlDjBcRj9iLN91i2… (1,748 chars)"
  }
}