{
   "epochs": [ {
      "calculation_time": "13366265526309801",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366929790753736",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AA68AD393622A3FAAC708F8D6173C5D4F4DF1B3F65BFC881818C1EAE2C8261B2",
   "next_scheduled_calculation_time": "13367534590754001"
}
