{
   "epochs": [ {
      "calculation_time": "13366653378558706",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367315973006216",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "ECB3AA1C1AC13FF729CAC1E8454251E1075EDF2A2127B9A24D27BAE88DE74BAD",
   "next_scheduled_calculation_time": "13367920773006501"
}
