Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDackHUa4r7xdUp5NWuq4AEWlJBNd3AHn17u9xeNJtqrTEE08VZuEt/tgWz… (844 chars)"
  }
}