{
   "epochs": [ {
      "calculation_time": "13366601252811633",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367260918762749",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A495625E3C322E9FE29375AF7B38141ED22BD49AC86471DABAA655E1E624108F",
   "next_scheduled_calculation_time": "13367865718762981"
}
