{
   "epochs": [ {
      "calculation_time": "13366325073638456",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366990625389258",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4612DAB18D5D29D6A61DA1E5E0B88792595331DB3A631DD85A4C9A7A368DD3A6",
   "next_scheduled_calculation_time": "13367595425389452"
}
