curl --request GET \
  --url https://api.opx.co/partners/v1/worksites/{id}/operations/{worksite_operation_id}

{
  "data": {
    "id": 123,
    "external_reference": "<string>",
    "worksite_id": 123,
    "operation_id": 123,
    "status": "<string>",
    "code": "<string>",
    "fost_version": "<string>",
    "classic_kwhc": "<string>",
    "precarity_kwhc": "<string>",
    "cee_amount": "<string>",
    "cee_amount_total": "<string>",
    "cdp_amount": "<string>",
    "cdp_amount_total": "<string>",
    "mpr_amount": "<string>",
    "invoice_reference": "<string>",
    "aides_informations": [
      "<unknown>"
    ],
    "ah_informations": [
      "<unknown>"
    ],
    "material_ids": [
      "<unknown>"
    ],
    "completion_proof_date": "<string>",
    "commitment_date": "<string>",
    "subcontractor_id": 123,
    "custom_worksite_operation_status_id": "<string>",
    "custom_worksite_operation_status_label": "<string>",
    "quote_reference": "<string>"
  }
}