Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFrT+ZNigz7PRPQ2n6MKVFdh6eMfT/82Pg1zU5b7wCUTiMSsAQoQD/w8ruY… (844 chars)"
  }
}