{
   "epochs": [ {
      "calculation_time": "13366518234707436",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367180962242783",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1AAC2B7560411058BE35F9E737522210289CC708B61B64FA0E7500C401FB57F1",
   "next_scheduled_calculation_time": "13367785762246610"
}
