{
   "epochs": [ {
      "calculation_time": "13366443497252987",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367107199991943",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "80169A1563F37271698EBB4F8F66DDEEF8F921F1975CBFCD26AC55070CF1467D",
   "next_scheduled_calculation_time": "13367711999992989"
}
