Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDuK8JB/YfRNOMb8g5p2wg7txcXFOPo92EsRcWDYJMJaXA2ZAkxlEEmIeFB… (1,748 chars)"
  }
}