{
   "epochs": [ {
      "calculation_time": "13366796638028195",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367470505254927",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5725DE94DEF5B707E5B46BA315641A9ABFC478B2218EC180B53F2AE2DEEAAC5D",
   "next_scheduled_calculation_time": "13368075305255114"
}
