{
   "epochs": [ {
      "calculation_time": "13366295371538387",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366959525118882",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A628AA92EFE15C063A04815A786FA45AE755877145F3B44C4D8CFEBA31BAE15E",
   "next_scheduled_calculation_time": "13367564325119346"
}
