{
   "epochs": [ {
      "calculation_time": "13366292890585038",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366957043434902",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2E0020576569134BD0114CDA6C3C50815CAA0C7FBCC760F0087C9D4B08F5602C",
   "next_scheduled_calculation_time": "13367561843435249"
}
