{
   "epochs": [ {
      "calculation_time": "13366632440673188",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367292636644229",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BEFAB7E7824435B8E72BC2DB22BC9829DFDF69C744B77D574F20B72F24583E5A",
   "next_scheduled_calculation_time": "13367897436644600"
}
