{
   "epochs": [ {
      "calculation_time": "13370168219481539",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375209518615274",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "14C42C5E95FF2A7AFF437BD3B1A1A8FDC55B418EDCF26B8956B5D54279E15E8E",
   "next_scheduled_calculation_time": "13375814318615575"
}
