{
   "epochs": [ {
      "calculation_time": "13366410234525708",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367075077686629",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "28483E9F7A55C17C99F0D72B55FB90D861A076C800BEB5E2D4908A91785894D8",
   "next_scheduled_calculation_time": "13367679877687406"
}
