| "id","type","name","key_type","int_value","str_value" | |
| 0,"metadata","trace_uuid","single","[NULL]","00000000-0000-0000-707e-42fe4a525c33" | |
| 1,"metadata","cr-background_tracing_metadata","single","[NULL]","CgA=" | |
| 2,"metadata","cr-playstore_version_code","single",101,"[NULL]" | |
| 3,"metadata","cr-enabled_categories","single","[NULL]","cat1,cat2,cat3" | |
| 4,"metadata","trace_size_bytes","single",54,"[NULL]" | |
| 5,"metadata","trace_type","single","[NULL]","proto" |