--- TrackablesResponse.cpp	2024-09-26 23:29:18.935379613 +0200
+++ TrackablesResponse_corrected.cpp	2024-09-26 23:27:27.474796842 +0200
@@ -45,7 +45,7 @@
 	std::stringstream ss;
 	write_json(ss, this->toPropertyTree(), prettyJson);
     // workaround inspired by: https://stackoverflow.com/a/56395440
-    std::regex reg("\\\"([0-9]+\\.{0,1}[0-9]*)\\\"");
+    std::regex reg("\\\"([+-]?[0-9]+\\.{0,1}[0-9]*([eE][-+]?[0-9]+)?)\\\"");
     std::string result = std::regex_replace(ss.str(), reg, "$1");
     return result;
 }