{
   "epochs": [ {
      "calculation_time": "13370238644184116",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375291820184493",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F490BED9581F07EDC2B07E26F38FEF1602B294A7CAA2D54CC89DCD9EC08D5AD1",
   "next_scheduled_calculation_time": "13375896620184774"
}
