{
   "epochs": [ {
      "calculation_time": "13366770795611997",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367443377289714",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8BF35DE46CEA7161655D4E9D025F514B23651C58F2186535584E208EC3FD677C",
   "next_scheduled_calculation_time": "13368048177289868"
}
