{
   "epochs": [ {
      "calculation_time": "13366284554841109",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366948563882930",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "553E84D109CD7CE151A730E0F47714D4405E3D39F6BA0C7C47F702A9E4809EB0",
   "next_scheduled_calculation_time": "13367553363883654"
}
