{
   "epochs": [ {
      "calculation_time": "13366343713599116",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367009635508766",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5E73579C23B91C8917D8E507B8D6266071A3D4D8A3457E5ECABFEBC7FA0BBEBB",
   "next_scheduled_calculation_time": "13367614435509099"
}
