{
   "epochs": [ {
      "calculation_time": "13366371053370070",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367035999597757",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FB018F8253C358DB76132CE23E603861A7D71FFCC7F991E67A82366AB6F0C263",
   "next_scheduled_calculation_time": "13367640799597980"
}
