{
   "epochs": [ {
      "calculation_time": "13366283951773104",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366947917051361",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C902A47484840F15C47EE080EB927663DC8A2ACE835A8E18A9314128C101FBDB",
   "next_scheduled_calculation_time": "13367552717052044"
}
