{
   "epochs": [ {
      "calculation_time": "13366381480665037",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367046705735587",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2782206BC7875AFA9E62A2E7735F12CD46004628F71BDB2DDDC511742748619E",
   "next_scheduled_calculation_time": "13367651505735943"
}
