{
   "epochs": [ {
      "calculation_time": "13366789399368765",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367463175905000",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A318AE366D44DBC8D056FA939EEC1D65E88E1D77CAB188B3178507D47DB4B02C",
   "next_scheduled_calculation_time": "13368067975905445"
}
