{
   "epochs": [ {
      "calculation_time": "13366371055064266",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367036156133415",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "853E5B509C708A620F72C068D3878FA88DFFE34A2C296E44505E04C054B55D1E",
   "next_scheduled_calculation_time": "13367640956134861"
}
