{
   "epochs": [ {
      "calculation_time": "13366352406294965",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367017902979599",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BA8EF78C8EA274EF2C5F80CBB7738AB570C14DD332A494DBB06031C152A0E6FC",
   "next_scheduled_calculation_time": "13367622702979733"
}
