{
   "epochs": [ {
      "calculation_time": "13370443674996365",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376771060998033",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D47B891A9EFD5B11881E841A23514879FCD46424B7D50289E87D658D9EBCA407",
   "next_scheduled_calculation_time": "13377375860998129"
}
