{
   "epochs": [ {
      "calculation_time": "13366322552447218",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366987911532235",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0EBEDE04C91A56A9D8FEED33F8CAA50D9CA87D00E3302DEC20A42BB5E406513C",
   "next_scheduled_calculation_time": "13367592711532447"
}
