in src/outmdsd/DjsonLogItem.h [108:113]
void AddData(std::string name, uint64_t seconds, uint32_t nanoseconds)
{
std::ostringstream strm;
strm << "[" << seconds << "," << nanoseconds << "]";
m_svlist.emplace_back(name, "FT_TIME", strm.str());
}