{
   "epochs": [ {
      "calculation_time": "13366229293956927",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366894094157677",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "62277621DB06EC82142B187870F1A0757AB894CB60E6B34519DB3FEA7ACB32D2",
   "next_scheduled_calculation_time": "13367498894159326"
}
