{
   "epochs": [ {
      "calculation_time": "13370695847461970",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377548878009208",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A29E8C02CCF4D7D9400F03B4523CF40DA680F6B9E511650C08583A05813A2D9A",
   "next_scheduled_calculation_time": "13378153678009259"
}
