{
   "epochs": [ {
      "calculation_time": "13366394551406994",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367059750266951",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3438A0F6788119C51E925C876A1E4781D61F1CBD3484DAF1872039FB09E20052",
   "next_scheduled_calculation_time": "13367664550267163"
}
