{
   "epochs": [ {
      "calculation_time": "13366394035401385",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367059192728659",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7C69A15581B6026027148BAF87E2F617D63EF80A98D243361C1FEF03A6ADA925",
   "next_scheduled_calculation_time": "13367663992729554"
}
