Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZWUZdW3dhGT3ZKVb5zU+v/UqjKZYACRiEeFsaQrAkpnsQdEym4q/X1Y6c… (844 chars)"
  }
}