Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCrpM5Y/jQm+7rW04cPNvuM/lMJJWvepLemEZ1ibdPjq2CjT8cF15EFGxbP… (844 chars)"
  }
}