{
   "epochs": [ {
      "calculation_time": "13370435256380895",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376759753916110",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8781B512C8C849E69CC8414A5EBF63D3F31BAD94685086F4AA6AA0CA451C7B91",
   "next_scheduled_calculation_time": "13377364553916163"
}
