{
   "epochs": [ {
      "calculation_time": "13366400476386152",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367065631506087",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "289B225400574FA25E67D4F97B7A5250A4055075439C78944C462B3DE4BEB456",
   "next_scheduled_calculation_time": "13367670431506262"
}
