{
   "epochs": [ {
      "calculation_time": "13366678785581895",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367342426991616",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B0ECE86E94DBA5A9ACFD08747CF52D7826A46D7F3D57931674FDBE6135B73585",
   "next_scheduled_calculation_time": "13367947226992391"
}
