{
   "epochs": [ {
      "calculation_time": "13366781511280649",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367454711015979",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D3A380D09F1A96B62BE47B530D286D680B20FC465DBBBA72C416DD9D60048160",
   "next_scheduled_calculation_time": "13368059511016312"
}
