{
   "epochs": [ {
      "calculation_time": "13366388802824340",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367054018458907",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E347318D4C3AD2DBF1E80B33F9B1E05FC983F8889BBC454E556BA861FC68CBA7",
   "next_scheduled_calculation_time": "13367658818459037"
}
