Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG7fXoRQMzh4EfWrzaUdGhS87Zf4uf0sf/z1SZPnx1IZjRf4sBovd2jRwKV… (844 chars)"
  }
}