{
   "epochs": [ {
      "calculation_time": "13366661229028204",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367324333612307",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "68044DFFF6B4EA6093BAF884B63CD5EA854CFFDE09B0E17E7D7D6163D826D56F",
   "next_scheduled_calculation_time": "13367929133612484"
}
