{
   "epochs": [ {
      "calculation_time": "13366518575062580",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367181256273945",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "10AB1BC4CA27FBD8CE3DA476E9AD159FCF9175F940C06811DA4175A1FE4EA943",
   "next_scheduled_calculation_time": "13367786056275613"
}
