{
   "epochs": [ {
      "calculation_time": "13366772341265696",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367444823604317",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "064E56D6EF54AE26DA25C63B9880AA92EB542BE11D2BC0A35359DE6C37F6CAF0",
   "next_scheduled_calculation_time": "13368049623604684"
}
