curl --request PATCH \
  --url https://app.freyavoice.ai/api/v2/workspaces/members/role \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "roleId": "<string>"
}
'

{
  "success": true,
  "data": {
    "message": "<string>",
    "result": {
      "member": {
        "userId": "<string>",
        "roleId": "<string>",
        "roleName": "<string>",
        "joinedAt": "<string>",
        "displayName": "<string>",
        "permissions": [],
        "username": "<string>",
        "email": "<string>",
        "avatarUrl": "<string>"
      }
    }
  }
}