"id","type","name","key_type","int_value","str_value"
0,"metadata","trace_uuid","single","[NULL]","00000000-0000-0000-23b6-9c184f48509d"
1,"metadata","cr-playstore_version_code","single",101,"[NULL]"
2,"metadata","cr-enabled_categories","single","[NULL]","cat1,cat2,cat3"
3,"metadata","trace_size_bytes","single",50,"[NULL]"