Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDWWy8NzV62z346jE3YiPvIXI6Nq7jQynm61RFVcH9Wp3L+/Q0NS81t9UIj… (1,748 chars)"
  }
}