Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA8L39j/QRn+vlM8c0IaSEzz6Lc1+IS0Yk5uSuNoYvMTQ60wLc7OTAgkJzp… (844 chars)"
  }
}