{
   "epochs": [ {
      "calculation_time": "13366229936980666",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366894834375853",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "22407418B739CD48B036D4D632B391B441320D78B9EF1E3383B4AC5AEC65EF90",
   "next_scheduled_calculation_time": "13367499634376258"
}
