{
   "epochs": [ {
      "calculation_time": "13366486346140958",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367149318307994",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C239F86FF2A6DBC2973D497F9AF95E9EDA162C5A88D80DC9EF3F6757AE16787A",
   "next_scheduled_calculation_time": "13367754118308174"
}
