{
   "epochs": [ {
      "calculation_time": "13366501783349799",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367164903909402",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "83B9A21967BA1BC0B08E98AA960788C733E407EB6C417ACED829F937FE789DCA",
   "next_scheduled_calculation_time": "13367769703909993"
}
