>>> $CLI bundle validate -o json -t development
{
  "name": "job",
  "job_clusters": [
    {
      "job_cluster_key": "key",
      "new_cluster": {
        "node_type_id": "i3.xlarge",
        "num_workers": 1,
        "spark_version": "13.3.x-scala2.12"
      }
    }
  ]
}

>>> $CLI bundle validate -o json -t staging
{
  "name": "job",
  "job_clusters": [
    {
      "job_cluster_key": "key",
      "new_cluster": {
        "node_type_id": "i3.2xlarge",
        "num_workers": 4,
        "spark_version": "13.3.x-scala2.12"
      }
    }
  ]
}