{
   "epochs": [ {
      "calculation_time": "13366511244113268",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367174141525230",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A62B279DA898A115ADA0F4CD9A00594E2335FB7086F4BE60484ED6586F3D982F",
   "next_scheduled_calculation_time": "13367778941525849"
}
