{
   "epochs": [ {
      "calculation_time": "13366419786585254",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367084286847407",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "63A8E7D360C1AC54CBE90496D0E1458701588BF8D1D6ED90A02D773F5D7F64A1",
   "next_scheduled_calculation_time": "13367689086847776"
}
