{
   "epochs": [ {
      "calculation_time": "13370227079867613",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375278908085779",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FBE525EAAA6CCF02EF7C6BCBCDBEFB81FC19F670C1FA2E1AD09EAC93A1C9CBA0",
   "next_scheduled_calculation_time": "13375883708085998"
}
