{
   "epochs": [ {
      "calculation_time": "13366668503156469",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367331681454312",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1959AA64AD93AE620615142A282469AE3899A1D105E301E960D666C0F18EC313",
   "next_scheduled_calculation_time": "13367936481454426"
}
