{
   "epochs": [ {
      "calculation_time": "13366387727888416",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367053015601096",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8BB54510FE24FBACCC914A4781109016487F6322955EA4FFFC46E91201DC29E6",
   "next_scheduled_calculation_time": "13367657815601384"
}
