{
   "epochs": [ {
      "calculation_time": "13366228044931922",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366893018278372",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5DAB16389AEE21C9F8BC36CCBE6787DA97EE2DE3CB3EB40BCE7F2A6AD5B4DE1A",
   "next_scheduled_calculation_time": "13367497818278809"
}
