{
   "epochs": [ {
      "calculation_time": "13366386767504000",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367052100071422",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8D93413B8C61FC076C3867A7DAF6AF3DCBE511E772230A51E682418C193D517A",
   "next_scheduled_calculation_time": "13367656900071871"
}
