Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD+2QoVfyj+Ir/857UaKm6yHJCUWmN9J1Bcgu29J3VlcjZaA+QWMHolEMFB… (1,748 chars)"
  }
}