{
   "epochs": [ {
      "calculation_time": "13366621299309695",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367281400338426",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "647C28F5125858F506E4CBF42E9183673F5CC5B521571E2ABD72CA3C29DD9457",
   "next_scheduled_calculation_time": "13367886200338640"
}
