{
   "epochs": [ {
      "calculation_time": "13366633669717169",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367294008510845",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BC66717D1A253EC18FE973FD0855044668DFD0B6CE1DA5045353A0AC622127D4",
   "next_scheduled_calculation_time": "13367898808511026"
}
