{
   "epochs": [ {
      "calculation_time": "13366616010920768",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367276035922560",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "515A13683E85C8695910F42DD103AEB4A54B9DCA50C684F32D35C184F8D55063",
   "next_scheduled_calculation_time": "13367880835922727"
}
