{
   "epochs": [ {
      "calculation_time": "13366325281506960",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366991001674088",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F85F55928873324FB000CA597D1BFD02C150EBF3F9BC2985D623345AC34C1AD4",
   "next_scheduled_calculation_time": "13367595801674398"
}
