Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDCa9hkSfheGmx0cMFzIoTlHVt3bwp+3AZWAFBPC2UwF2ADOk6kvZGkyhk+… (1,748 chars)"
  }
}