{
   "epochs": [ {
      "calculation_time": "13366736491372989",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367407754905307",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2053FA5BEAED8A7AC943109E74A492B7EB7137AF711DB313C18E703DF93E718C",
   "next_scheduled_calculation_time": "13368012554905469"
}
