{
   "epochs": [ {
      "calculation_time": "13366442606900605",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367106369501402",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "38C456470F8F9B6E7698D032B7784DB15763AF0CF624184CA9746072580FFF17",
   "next_scheduled_calculation_time": "13367711169501555"
}
