{
   "epochs": [ {
      "calculation_time": "13366724896832656",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367392813225561",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "84D52B70440474ED85D195F261B7172A8DA39B6DB155E5569464D9464EBBBEAC",
   "next_scheduled_calculation_time": "13367997613225868"
}
