Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG8sYcGxlLIRPt/pqa30tLaB8gJKKqK1uU+Nv/ioo56qGqG8WVbNNoB6FGZ… (844 chars)"
  }
}