{
   "epochs": [ {
      "calculation_time": "13366748312013471",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367420066051691",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E0655E132888760537F428F781EEAEC38FA70C2EFD4DD46DDF0DDE4B69EC0789",
   "next_scheduled_calculation_time": "13368024866051829"
}
