{
   "epochs": [ {
      "calculation_time": "13371101479765331",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379443322165975",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9C4E1984A328CB82A2DEEB1517056EC1F6F2167E5A39D69203630C2CD3611AF3",
   "next_scheduled_calculation_time": "13380048122166119"
}
