{
   "epochs": [ {
      "calculation_time": "13370955405203652",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379121809787495",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B4692ECEF8B7716E05C175F8A5E6EA29BED260FEDFB2FC0E09FF6F0E10832029",
   "next_scheduled_calculation_time": "13379726609787850"
}
