{
   "epochs": [ {
      "calculation_time": "13366492759227943",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367155796295623",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "98D2F244345219975F0B9886442F04059556A7ECE36CF9CCB10E7043E62F4D99",
   "next_scheduled_calculation_time": "13367760596295727"
}
