{
   "epochs": [ {
      "calculation_time": "13365862941974060",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366918879803451",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9A9DC2BE48032652915E715AFDE1200B92400D608D01F9CD2343B80968FFDBFA",
   "next_scheduled_calculation_time": "13367523679803688"
}
