Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCGrSvut4V+9KMTRzb3mbVVT6uVEfue7QuKSl1Ydppz7nLxJX6eiTM9mEfT… (844 chars)"
  }
}