code: func (r FutureGetMempoolEntryResult) Receive() (*btcjson.GetMempoolEntryResult, error) {
  	res, err := receiveFuture(r)
  	if err != nil {
  		return nil, err
  	}
  
  	// Unmarshal the result as an array of strings.
  	var mempoolEntryResult btcjson.GetMempoolEntryResult
  	err = json.Unmarshal(res, &mempoolEntryResult)
  	if err != nil {
  		return nil, err
  	}
  
  	return &mempoolEntryResult, nil
  }
docs: // Receive waits for the response promised by the future and returns a data
  // structure with information about the transaction in the memory pool given
  // its hash.