{
   "epochs": [ {
      "calculation_time": "13366808446749999",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367482618174719",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "611D20797DDCD304D2095F1187F372D74A33C74CE97CB2B7BCB34DCD99DA5867",
   "next_scheduled_calculation_time": "13368087418175173"
}
