Recursive simple

{

 "$schema": "http://json-schema.org/draft-07/schema#",
 "title": "Recursive Object",
 "type": "object",
 "properties": {
   "name": {
     "type": "string",
     "description": "Name of the node"
   },
   "type": {
     "type": "string",
     "description": "Type or category of the node"
   },
   "children": {
     "type": "array",
     "description": "Nested child nodes of the same structure",
     "items": {
       "$ref": "#"
     }
   }
 },
 "required": ["name", "type"],
 "additionalProperties": false

}