{
   "epochs": [ {
      "calculation_time": "13366634692722612",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367295223221447",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8AC557C53A412B94A327CA832C16652DC7A8E5825EF8CA60AB645862437B198B",
   "next_scheduled_calculation_time": "13367900023221759"
}
