{
   "epochs": [ {
      "calculation_time": "13366437976682078",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367101676607500",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0F6F8A9991369732BDAE6FD0DBAA02BCC37225D4096C63A7B4CCD739F7D2EDE2",
   "next_scheduled_calculation_time": "13367706476607639"
}
