{
   "epochs": [ {
      "calculation_time": "13366303208430813",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366967781450863",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B4FBE01CD3188B977FD8E8B5AC8905D15EF71773988FB506F3B3F2BBEE712A14",
   "next_scheduled_calculation_time": "13367572581451267"
}
