{
   "epochs": [ {
      "calculation_time": "13366252203898383",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366916918164299",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F85017EA52C9F910BAF416F1C3A25718E26CE883BEE51CF8DF2811613C79033C",
   "next_scheduled_calculation_time": "13367521718164486"
}
