{
   "epochs": [ {
      "calculation_time": "13370222468711992",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375271369015714",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9A7D3A9301D2889D748C3F279C9A917F16F355273BC36807822B26D6BA1DA137",
   "next_scheduled_calculation_time": "13375876169016234"
}
