curl --request PATCH \
  --url https://v1.api.flux-os.com/contracts/{id}/pricing-provisions/{pricing_provision_id}/condition-groups/{condition_group_id} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-user-id: <api-key>' \
  --data '
{
  "logical_operator": "<unknown>",
  "parent_group": "<unknown>"
}
'

{
  "id": "<string>",
  "provision": {
    "type": "<unknown>",
    "contract": "<unknown>",
    "fee": "<unknown>",
    "id": "<string>",
    "description": null,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "parent_group": "<unknown>",
  "logical_operator": {
    "name": "<string>",
    "symbol": "<string>",
    "id": "<string>"
  },
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "conditions": [
    {
      "value": 123,
      "id": "<string>",
      "measurement_property": {
        "name": "<string>",
        "short_code": "<string>",
        "id": "<string>"
      },
      "measurement_unit": {
        "name": "<string>",
        "abbreviation": "<string>",
        "id": "<string>",
        "html_symbol": null
      },
      "comparison_operator": {
        "name": "<string>",
        "symbol": "<string>",
        "id": "<string>"
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}