{
   "epochs": [ {
      "calculation_time": "13366418652139845",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367083274414810",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EFEA90FDF316AB3E92FACE546322E3348E80CE684CD376C0BF50748060268639",
   "next_scheduled_calculation_time": "13367688074415389"
}
