{
   "epochs": [ {
      "calculation_time": "13366522088538624",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367184519591623",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0E330AD3A99B4C63BFDAC2B9DAA87CBB074E6FC8070233BC234CC6D72464B322",
   "next_scheduled_calculation_time": "13367789319591737"
}
