{
   "epochs": [ {
      "calculation_time": "13366367434004454",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367032647716528",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "250766C2A9687AF2FC3050B8BD1A5C3F76ACCF94C57B550361DE23D2792A593A",
   "next_scheduled_calculation_time": "13367637447716765"
}
