{
   "epochs": [ {
      "calculation_time": "13366333842730795",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367000054921913",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4365B7A56624675953060B509C207D8AFF18D2EDA3FB130FE4D623CC2217C358",
   "next_scheduled_calculation_time": "13367604854922189"
}
