{
   "epochs": [ {
      "calculation_time": "13366612231241443",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367271986239148",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AB70D1075F8813D1CD1D44A90C671A864CA73068DAF7BF450F602C13FDE20DCC",
   "next_scheduled_calculation_time": "13367876786242432"
}
