Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHNYYOzEYmggfcwqsrUF+1ruzZWAksxG/Yq3Z9Evf8pTnfrGfvtx2zk4/qr… (844 chars)"
  }
}