{
   "epochs": [ {
      "calculation_time": "13366800033435359",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367473762980698",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C40DCAA3B1C0B3E41FD121EB89111DFF768E3D168D00E5822368B61ACBF79620",
   "next_scheduled_calculation_time": "13368078562980812"
}
