{
   "epochs": [ {
      "calculation_time": "13366703179115211",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367367616912728",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8F9CE094C6D1EFC9201499EE187ECB73BF5210B6D6B194BB506D9A9A4CBCC9C7",
   "next_scheduled_calculation_time": "13367972416912971"
}
