{
   "epochs": [ {
      "calculation_time": "13366238901684167",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366904049661154",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A120B909CABD5EA6975491E3F9FCDEF7DB2EDC807B2FE61CB4663392E9A2606F",
   "next_scheduled_calculation_time": "13367508849661642"
}
