Represents a recent user signup in Wacht
user_id
(string, optional): The ID of the user who signed up.email
(string, optional): The email address of the user.username
(string, optional): The username of the user.signed_up_at
(string, optional): The timestamp when the user signed up.signup_method
(string, optional): The method used for signup (‘email’, ‘google’, ‘facebook’, ‘github’, or ‘linkedin’).organization
(RecentSignupOrganization, optional): The organization associated with the signup, if any.