{
   "epochs": [ {
      "calculation_time": "13371239815288413",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379912539989754",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5BBF2DF504CE95B79D48ED731594013D6CF5CD7059BC9D586DEF6FE2E75D9330",
   "next_scheduled_calculation_time": "13380517339989836"
}
