{
   "epochs": [ {
      "calculation_time": "13366616618552955",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367276594142646",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F8CEE86310BB22B84113860EF7A4F301FAB1EF8D7B0D0F1ED523D4BD4A80D2FF",
   "next_scheduled_calculation_time": "13367881394142831"
}
