{
   "epochs": [ {
      "calculation_time": "13366619471305936",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367279675424959",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1F596A767E0631B3F26A9AD92E646CC505233B8B9381978CFAB75DA2A4AC6F7A",
   "next_scheduled_calculation_time": "13367884475425916"
}
