Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBTRQGdEu/kgMB9LewZt+4Qx7XYy6/iaN1WLJMxqalfEHYZ+C+NPOk6vmZ2… (844 chars)"
  }
}