Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFCeKrx+jWPCj7bj2bgGKrN7F4KgSNCm63/hWd1qK3o4kcsUmfSHcCR9RRp… (844 chars)"
  }
}