{
   "epochs": [ {
      "calculation_time": "13366399739676467",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367065091810690",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1BA78E9F1E173086EBE7221F0E32F7B5450D6D67C0C8CEB9B393E1CB747F37E7",
   "next_scheduled_calculation_time": "13367669891811261"
}
