Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD29BCjXN+B8mlRsUX9z4dTeGF46ZmC/+FMSdy/2X7JIkyjFWEDs7uJc1kN… (1,748 chars)"
  }
}