{
   "epochs": [ {
      "calculation_time": "13366215250304589",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366880336460285",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8C86921D95FAB85469991D4D05FD2626570B02BA1B02D0DB284DC202A384692B",
   "next_scheduled_calculation_time": "13367485136460437"
}
