Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAr5iZ2Dx2PQHzlkd+cET0uZPNsaK6Ixog0BM9I+VGJqRdxZcEX30z28g8S… (844 chars)"
  }
}