{
   "epochs": [ {
      "calculation_time": "13366330702330194",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366996646465588",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4397DB1DA14D8BD960F11D577BA5732CF84CFADDE27C4C0925EA7020CDEA375E",
   "next_scheduled_calculation_time": "13367601446465928"
}
