{
   "epochs": [ {
      "calculation_time": "13366442865280090",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367106589054694",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C4060DBC347C83DC5E727EE1FD06A37E102895CA9DD58CA6A5283C4F21375B67",
   "next_scheduled_calculation_time": "13367711389055168"
}
