{
   "epochs": [ {
      "calculation_time": "13370580551669874",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377242373390383",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3670091BF46707A9ABCC137318FCC89BB4133808409C2362B2BED3766A6608CA",
   "next_scheduled_calculation_time": "13377847173390492"
}
