{
   "epochs": [ {
      "calculation_time": "13366282035844270",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366946011280452",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2C0EB5132D1DFBD1A00E00E2001777BFE1F9126104C1A10EA0D6608A46E835F6",
   "next_scheduled_calculation_time": "13367550811280625"
}
