{
   "epochs": [ {
      "calculation_time": "13370606636693890",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377679374198084",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "16E8B1746FE3F55672DF888A3FB689BC30359726B1313F4F626A20A084FF8AC8",
   "next_scheduled_calculation_time": "13378284174198226"
}
