{
   "epochs": [ {
      "calculation_time": "13366341891612404",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367007860430688",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "98CF8EC8FF9DEAD332E7221A8EE9ABF9115A85D7C7783B9796ACE1F103EB2D51",
   "next_scheduled_calculation_time": "13367612660430822"
}
