{
   "epochs": [ {
      "calculation_time": "13366494187838505",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367157225512462",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CA249A5D808D96407D553AA91C246E8F71536247A136993D8FBC50D282170CB6",
   "next_scheduled_calculation_time": "13367762025512636"
}
