{
   "epochs": [ {
      "calculation_time": "13366370853376274",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367035904091896",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F3683C9EB3537029591CFEE24AE72EC3968E0C6040D9BD56D959C1A91773503C",
   "next_scheduled_calculation_time": "13367640704092088"
}
