To update a deal stage, the following permissions are required.

Deal permission: the user should have permission to manage deals.
Edit Pipeline permission: the user should have permission to edit pipelines.
Pipeline-specific permission: the user should have permission to manage the pipeline that the stage belongs to.

{
  "dealStage": {
    "cardRegion1": "contact-orgname",
    "cardRegion2": "next-action",
    "cardRegion3": "hide-avatar",
    "cardRegion4": "contact-fullname-orgname",
    "cardRegion5": "value",
    "color": "696969",
    "dealOrder": "title ASC",
    "group": "4",
    "order": 1,
    "title": "Qualifications - Low",
    "width": 270
  }
}