{
   "epochs": [ {
      "calculation_time": "13366249135676209",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366913946060389",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "40BCCBB79F7D2BEE6AC9B3983F18D062B12099C1E349265CD563C2E208EBA2C8",
   "next_scheduled_calculation_time": "13367518746060511"
}
