{
   "epochs": [ {
      "calculation_time": "13366595894455784",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367255709688320",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7D38B517CFAD07943961EC56F4D6A64E8FEAEA4D46FD1492EA23B4C078063D54",
   "next_scheduled_calculation_time": "13367860509688736"
}
