{
   "epochs": [ {
      "calculation_time": "13366275676260655",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366939620957441",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CAB4D01F6A45DE73A552701E136F93F2CA61D969CD355E37AF5FFA4E0D0A1100",
   "next_scheduled_calculation_time": "13367544420957865"
}
