{
   "epochs": [ {
      "calculation_time": "13370739768446214",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377805807276180",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C0FFD18D0FD44CC41087D7F53AD0DAD8337CC3814193EF20DF5EFBE3CBC7BE8E",
   "next_scheduled_calculation_time": "13378410607276406"
}
