{
   "epochs": [ {
      "calculation_time": "13366282433262239",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366946462416256",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1853C16AE919FD4D89FDFD95AA1949ECD06E28B43C67B365B6FB08899BEE5C91",
   "next_scheduled_calculation_time": "13367551262417046"
}
