{
   "epochs": [ {
      "calculation_time": "13366451502587461",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367115233046490",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "43BA441AB9F5B207D2BA6A7AA3310EDBFBF41D23117A5C84FA8829FBE7E4B680",
   "next_scheduled_calculation_time": "13367720033047134"
}
