{
   "epochs": [ {
      "calculation_time": "13366601630841645",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367261371931958",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8CDBC42024AF029C082A32FFBF433D8FFA8266535CA2E6BCF558754A3488A12B",
   "next_scheduled_calculation_time": "13367866171932441"
}
