{
   "epochs": [ {
      "calculation_time": "13366372096480350",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367037185541193",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3E7667E99FDFD1B7351667EB7CA4F43C2910D2614B53696149F38D3FA2B02FBC",
   "next_scheduled_calculation_time": "13367641985541444"
}
