{
   "epochs": [ {
      "calculation_time": "13371053360774634",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379292558729529",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3894435697686378915443645C55E6D6124345139A932A8A34ED61C37A90CA08",
   "next_scheduled_calculation_time": "13379897358729608"
}
