{
   "epochs": [ {
      "calculation_time": "13366286308750504",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366950408929038",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3BC9A50526992A5303CDFBB677C3C2F68692D9E1A248359BD857EF97C14D8EA4",
   "next_scheduled_calculation_time": "13367555208929641"
}
