{
   "epochs": [ {
      "calculation_time": "13370517113117290",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378152743913152",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "22705570F61937A3E05F172BD9D083AA59644ADEB38FE1C11DD0458BA192A241",
   "next_scheduled_calculation_time": "13378757543913206"
}
