{
   "epochs": [ {
      "calculation_time": "13366611752508094",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367271413069757",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7A726AB120A29C5105A9B8AEEE226B2250F37985550894F8375E4C3D2F872B3F",
   "next_scheduled_calculation_time": "13367876213070352"
}
