{
   "epochs": [ {
      "calculation_time": "13366392855057100",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367058164059665",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B61D69BEFB3B92A089DFA6E3F432768F0CD8EF12414F6E99BADEDD514AC5E89A",
   "next_scheduled_calculation_time": "13367662964059829"
}
