{
   "epochs": [ {
      "calculation_time": "13377166951295139",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379231043825195",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "95C956747BD8BAE6D66AAAC0F8F9F40501D73336EE813F0BA21AFAC036CC46DA",
   "next_scheduled_calculation_time": "13379835843825292"
}
