text: 
  BEGIN;
  
  CREATE EXTENSION pgcrypto;
  
  CREATE TABLE signatures(
      Id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
      LoginName varchar(250) NOT NULL UNIQUE,
      Email varchar(250),
      GivenName varchar(250),
      SignedAt timestamp NOT NULL,
      ClaVersion varchar(10)
  );
  
  COMMIT;
  