Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCa3WLNx/PN5zHuCKU0ZePeW6ythC9T0IxeO111kJB6GThPEE0bc7atxPNF… (1,748 chars)"
  }
}