{
   "epochs": [ {
      "calculation_time": "13366474045119898",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367137147401085",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "88CE04D92D32F2A19A5777A5A8117094D483058F158BC9F221A3D5D68A7D79F2",
   "next_scheduled_calculation_time": "13367741947401498"
}
