{
   "epochs": [ {
      "calculation_time": "13366625040481022",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367285163493455",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9B53C08243963099C11D3F73D011B8AEFA4B7E7BD66A1B7B153E5BEACE577DB6",
   "next_scheduled_calculation_time": "13367889963494171"
}
