{
   "epochs": [ {
      "calculation_time": "13366439039155560",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367102742369203",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F47A4700E00B85CC8D81B253B65A059B35457D6AA1CA682286FC9D62315CF8BD",
   "next_scheduled_calculation_time": "13367707542369500"
}
