Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFzDV2pQoUWYQ2JcR+YmDlH/vw5GaQF8s/PEMw2fEHbwFMqxzpL9lk2f9fk… (1,748 chars)"
  }
}