{
   "epochs": [ {
      "calculation_time": "13366390182316544",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367055537081954",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7325020B80FAC7F78FF64C4C1624635D9F76838EF09B8739E74A2ADB29DC2B8A",
   "next_scheduled_calculation_time": "13367660337082073"
}
