{
   "epochs": [ {
      "calculation_time": "13366438215348288",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367102054230928",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BF6A7E47FDD89F32C78B7B9BC530907FD5197FCBEC49632B4B7F53EA5927E8BA",
   "next_scheduled_calculation_time": "13367706854233400"
}
