{
   "epochs": [ {
      "calculation_time": "13366521675836296",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367184069100570",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3A11DE5C6895A53496A6786CDBFCF07D6C8A65E6EF9774E7C0B006C766B99DAE",
   "next_scheduled_calculation_time": "13367788869101400"
}
