Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFw5wKXZsWc7kRbF1XUve9q17Qrqg4qUZg1vNZe9gxgMF/nB7JfU3FOZDFD… (844 chars)"
  }
}