{
   "epochs": [ {
      "calculation_time": "13366414719654516",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367079498195394",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "59C12C3517D524805FDC11F36CD32E9C1B364A8F49807E1B47CFC99E47B66158",
   "next_scheduled_calculation_time": "13367684298196970"
}
