{
   "epochs": [ {
      "calculation_time": "13366303900685174",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366968439065556",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EBC126A0A76474507C706FF5A55E443766679D59129AD59F908E405391164454",
   "next_scheduled_calculation_time": "13367573239065966"
}
