{
   "epochs": [ {
      "calculation_time": "13370570082405487",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377174723501740",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "22769849193928EFB824CDF45358EAE8A26CA5E9C9B30451756A634FA2BDC1A5",
   "next_scheduled_calculation_time": "13377779523502335"
}
