private static function getHashArray($message, $groupIdentifier)
    {
        $hash = md5(static::getRequestIdentifier() . Json::encode((array) $groupIdentifier));
        if (isset(self::$identiferIndex[$hash])) {
            self::$identiferIndex[$hash]++;
        } else {
            self::$identiferIndex[$hash] = 1;
        }
    
        $hashIndex =  self::$identiferIndex[$hash];
    
        return [
            'hash' => $hash,
            'index' => $hashIndex,
        ];
    }