CREATE TABLE `signatures` (
	`id` int AUTO_INCREMENT NOT NULL,
	`userId` int NOT NULL,
	`firstName` varchar(100) NOT NULL,
	`lastName` varchar(100) NOT NULL,
	`imageKey` text NOT NULL,
	`imageUrl` text NOT NULL,
	`createdAt` timestamp NOT NULL DEFAULT (now()),
	`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,
	CONSTRAINT `signatures_id` PRIMARY KEY(`id`)
);