{
   "epochs": [ {
      "calculation_time": "13366307131913666",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366971843095125",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "97629CA9E900E1B1D686310CBE92697F2DDB24E0A5D2A6FDA17F79221E420C9A",
   "next_scheduled_calculation_time": "13367576643095882"
}
