{
   "epochs": [ {
      "calculation_time": "13366798109516134",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367472136903004",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "74BB9A1835DC80A58D5CA58D6835C5443922881873155948844A8E842DB1A69F",
   "next_scheduled_calculation_time": "13368076936903369"
}
