{
   "epochs": [ {
      "calculation_time": "13366347593441036",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367013286815391",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4FCA0FD89F39999849C99A76277CC846F45DA6EF8DA5DDA5D858DD2B01A02ADF",
   "next_scheduled_calculation_time": "13367618086815702"
}
