{
   "epochs": [ {
      "calculation_time": "13366679629704407",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367343213202921",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "18E94C0BCB7E5767C2ACA87D8CD0C1DA81AA778C400E302174AEC2066A7FC134",
   "next_scheduled_calculation_time": "13367948013203380"
}
