Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDus5YcVcRSHmxJKY/9ehRXNV6uiKtqYmogpuAcT0k9FwbJ5AHU0jT3IgMy… (844 chars)"
  }
}