{
   "epochs": [ {
      "calculation_time": "13370528512215813",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378395753489755",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6684436BC3A2ECAF170D23729BFCADF400511F9D0903C48D4F92F6F271145AD8",
   "next_scheduled_calculation_time": "13379000553489886"
}
