code: func FromJSON(r io.Reader, mhType uint64, mhLen int) (*Node, error) {
  	var m interface{}
  	err := json.NewDecoder(r).Decode(&m)
  	if err != nil {
  		return nil, err
  	}
  
  	obj, err := convertToCborIshObj(m)
  	if err != nil {
  		return nil, err
  	}
  
  	return WrapObject(obj, mhType, mhLen)
  }
docs: // FromJSON converts incoming JSON into a Node.