{
   "epochs": [ {
      "calculation_time": "13370517844534941",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13372036769695342",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B1FF568A344D602FBA73EB30CFE92D9565DE1D39A3676BA4C3DBC761F9E92D1C",
   "next_scheduled_calculation_time": "13372641569695841"
}
