adjust text signature size

lib/submitters/normalize_values.rb

@@ -118,12 +118,12 @@ module Submitters
       blob =
         if value.match?(%r{\Ahttps?://})
           find_or_create_blob_from_url(account, value)
-        elsif type.in?(%w[signature initials]) && value.length < 50
+        elsif type.in?(%w[signature initials]) && value.length < 60
           find_or_create_blob_from_text(account, value, type)
         elsif (data = Base64.decode64(value)) && Marcel::MimeType.for(data).include?('image')
           find_or_create_blob_from_base64(account, data, type)
         else
-          raise InvalidDefaultValue, "Invalid value, url, base64 or text < 50 chars is expected: #{value.first(50)}..."
+          raise InvalidDefaultValue, "Invalid value, url, base64 or text < 60 chars is expected: #{value.first(200)}..."
         end
 
       attachment = for_submitter.attachments.find_by(blob_id: blob.id) if for_submitter