{
   "epochs": [ {
      "calculation_time": "13370761224574320",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377922911837637",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4383B10078E0F42A5C3747E17CA837DA49DEEC874393F52FA47FC77C3C221A25",
   "next_scheduled_calculation_time": "13378527711837692"
}
