{
   "epochs": [ {
      "calculation_time": "13366503911859153",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367167000753209",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2948F983E5CC96D76C32B1CC9B641D4B9FE1CAE04407293A3F0522003C266375",
   "next_scheduled_calculation_time": "13367771800753543"
}
