{
   "epochs": [ {
      "calculation_time": "13370694076543625",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377544941390903",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EFF2F3C9B677296439939295D44E3EDDEE4CDB4C45BA628AF67781B535FDB722",
   "next_scheduled_calculation_time": "13378149741390954"
}
