{
   "epochs": [ {
      "calculation_time": "13366695390292757",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367359643507599",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7D86EBD1036181F4921556E3F0CF5B9F07F49D67D22CD3FFD39A8B62459DDDAC",
   "next_scheduled_calculation_time": "13367964443508053"
}
