Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBi/vej9pRmfLHR5Pvvqdb/6XA+AwzL0+6BvN61l7OIGjOp/nPgE9Y8t7MX… (1,748 chars)"
  }
}