{
   "epochs": [ {
      "calculation_time": "13371085442455129",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379363773334708",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "92DAC7FF2A9DAC64A9166B8450C42E3C09F5A01290BA22222972F2E14A4D5C15",
   "next_scheduled_calculation_time": "13379968573334841"
}
