Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF23KSF/7kmC1XflH9yhu0qCyRv8KPl6IrzCJjJFzPgJlzn7BfRg9jqA8uX… (844 chars)"
  }
}