Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCR4BhNpbLteI4cgB9rqrqPBDcxxCKbvubVLDHIeAjCbw3Zp9t0sUPjZUC+… (1,748 chars)"
  }
}