CREATE TABLE `state_users` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `index_id` smallint(6) NOT NULL DEFAULT 0,
  `group_id` int(11) NOT NULL DEFAULT 0,
  `public_key` binary(32) NOT NULL,
  `email` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,
  `first_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,
  `last_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `public_key` (`public_key`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;