{
   "epochs": [ {
      "calculation_time": "13366695777925992",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367359976198451",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4C8C88FC5172A07B1B7F405A72D132AE4CA741972A9E4B60B188C23C1E47E3DC",
   "next_scheduled_calculation_time": "13367964776199176"
}
