{
   "epochs": [ {
      "calculation_time": "13366486932503891",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367149842810287",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "49153331553B136E992BF76F6AE20DD7337FA37420938DB1F7FC4BFE9BD0766E",
   "next_scheduled_calculation_time": "13367754642810514"
}
