{
   "epochs": [ {
      "calculation_time": "13366392362074959",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367057623337396",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0938F93F6C9EA53E2AF5139FE8F2023F686D6189ED7668A9BC338849FBB15B0C",
   "next_scheduled_calculation_time": "13367662423337616"
}
