{
   "epochs": [ {
      "calculation_time": "13366292515087780",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366956744875871",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "01EC0E87A6C815F95D63E23E6BE4A96E0C343E658566047F61E63F6B995C571D",
   "next_scheduled_calculation_time": "13367561544876059"
}
