{
   "epochs": [ {
      "calculation_time": "13366787579631656",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367461165090823",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4E5267F23189CA674D7F963F3D5A3144094B3056EDF3AEB807A538AE6A86E630",
   "next_scheduled_calculation_time": "13368065965090989"
}
