{
   "epochs": [ {
      "calculation_time": "13366273950080379",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366937896488522",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6036B6CCC25F474A1C768FD4D436B69EB3045FC63B133C0CFCE176C09B12990F",
   "next_scheduled_calculation_time": "13367542696488822"
}
