{
   "epochs": [ {
      "calculation_time": "13371067117684989",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379348420786791",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C3C2EEF4C507611DCE5A0EB4462DE813B8CFF889574D5DA6AE0A941AF27DAAC3",
   "next_scheduled_calculation_time": "13379953220786876"
}
