{
   "epochs": [ {
      "calculation_time": "13366364126353774",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367029622132333",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "213E44057FA8ABFE471563C38F67127A6C1A7B77D532A92DC190A662911901A3",
   "next_scheduled_calculation_time": "13367634422133338"
}
