{
   "epochs": [ {
      "calculation_time": "13370528760538567",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379387410893039",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3187A11B449B089ED526896FAFD02A7EADE71B8B4E2C322ACF3FAE92514ACD18",
   "next_scheduled_calculation_time": "13379992210893140"
}
