{
   "epochs": [ {
      "calculation_time": "13370745303650626",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377826210217397",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CFEA48182FBD97F9EA798F88C54C7D4F0F3243BA10277B1EA9C5DD416A5BA431",
   "next_scheduled_calculation_time": "13378431010217445"
}
