{
   "epochs": [ {
      "calculation_time": "13366599828244430",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367259552957195",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "27DAF870C697917EC80BFD4A0DB42B4B0C6B9CC5CBDE19CE44D45B37896E2A99",
   "next_scheduled_calculation_time": "13367864352958154"
}
