Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAr7DA/zZY6HHMBU1fxHcqVZHwnCHyZDtpVUVZcqEBR9zncOmq//d3G3cFW… (844 chars)"
  }
}