{
   "epochs": [ {
      "calculation_time": "13366628145266778",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367288393836386",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "88BE450145FB22F43C25B07678516373BC62542466F45227C21035FE524DA8D6",
   "next_scheduled_calculation_time": "13367893193837062"
}
