{
   "epochs": [ {
      "calculation_time": "13366448048743583",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367111830404770",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C4D9435C303CFAE1914649399F4F69CDE15D7C95D7381AD50D30E2940EA21EFC",
   "next_scheduled_calculation_time": "13367716630405098"
}
