{
   "epochs": [ {
      "calculation_time": "13366270203408580",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366934179415628",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9CDC1337167676D6D8E1578340A19716AF7AE89057DE61E0A5D14C672C94B64F",
   "next_scheduled_calculation_time": "13367538979416117"
}
