{
   "epochs": [ {
      "calculation_time": "13366315753774529",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366980963246978",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9C7F640F590BDB1EDC4A9FED7AEBD797125F7867A0F31E713B10C194C090F4FC",
   "next_scheduled_calculation_time": "13367585763247397"
}
