code: func GetRate() (uint64, error) {
  	type rateResponse struct {
  		Rate uint64 `json:"rate"`
  	}
  
  	req := NewJSON2Request("entry-credit-rate", APICounter(), nil)
  	resp, err := factomdRequest(req)
  	if err != nil {
  		return 0, err
  	}
  	if resp.Error != nil {
  		return 0, resp.Error
  	}
  
  	rate := new(rateResponse)
  	if err := json.Unmarshal(resp.JSONResult(), rate); err != nil {
  		return 0, err
  	}
  
  	return rate.Rate, nil
  }
docs: // GetRate returns the number of factoshis per entry credit