{
   "epochs": [ {
      "calculation_time": "13366402066737696",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13371451452609738",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "75D25FE33F092F05976B3C1F61E02868EFEF4F8358C78E8166E2606A0BDE83D8",
   "next_scheduled_calculation_time": "13372056252609892"
}
