OpenMetadata/ingestion/examples/sample_data/dashboards/service.json

{
  "type": "superset",
  "serviceName": "sample_superset",
  "serviceConnection": {
    "config": {
      "type": "Superset",
      "hostPort": "http://localhost:8088",
      "connection":{
        "username": "admin",
        "password": "admin",
        "provider": "db"
      }
    }
  },
  "sourceConfig": {
    "config": {}
  }
}