{
   "epochs": [ {
      "calculation_time": "13366762766018135",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367434944511002",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B0C6ED942508E4169C470AD2CD5A109C6958CAB8ADD83092A364BF892A1744EB",
   "next_scheduled_calculation_time": "13368039744511690"
}
