{
  "type": "bigquery",
  "serviceName": "sample_data",
  "serviceConnection": {
    "config": {
      "type": "BigQuery",
      "hostPort": "localhost:1234",
      "credentials": {
        "gcpConfig": {
          "type": "service_account",
          "projectId": ["projectID"],
          "privateKeyId": "privateKeyId",
          "privateKey": "privateKey",
          "clientEmail": "clientEmail",
          "clientId": "clientId",
          "authUri": "https://accounts.google.com/o/oauth2/auth",
          "tokenUri": "https://oauth2.googleapis.com/token",
          "authProviderX509CertUrl": "https://www.googleapis.com/oauth2/v1/certs",
          "clientX509CertUrl": "https://cert.url"
        }
      }
    }
  },
  "sourceConfig": {
    "config": {
      "type": "DatabaseMetadata"
    }
  }
}