{
   "epochs": [ {
      "calculation_time": "13366299895922261",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366964360550333",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1131F1F7F61BD461BE1780A06C57CB3407A71C85EF54204A291C91A58AE0D836",
   "next_scheduled_calculation_time": "13367569160550448"
}
