{
   "epochs": [ {
      "calculation_time": "13366620856902785",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367281089192371",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "63C71BC973EBA52AE9C62AAE3EA00B3827A2E2FDC974ADCDF0942909129C16C0",
   "next_scheduled_calculation_time": "13367885889192607"
}
