{
   "epochs": [ {
      "calculation_time": "13366239700263878",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366904865508155",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9E8F81126653DF77C53C69D96CB46C154FC922877EF1E40F4016828F98834A26",
   "next_scheduled_calculation_time": "13367509665508559"
}
