{
   "epochs": [ {
      "calculation_time": "13370695915986230",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377548996742870",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "092C1261F4089EA6EAF36227EC8E9923822C5F6B650F32F12C8061BA06E9D1AC",
   "next_scheduled_calculation_time": "13378153796743220"
}
