{
   "epochs": [ {
      "calculation_time": "13366450700986395",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367114487279026",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9C84028BC902066411791C71A28A90DB18F3BE9A757CC1DAB8948A55E56361F5",
   "next_scheduled_calculation_time": "13367719287279170"
}
