{
   "epochs": [ {
      "calculation_time": "13366270684969369",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366934811033246",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "228471B72408766E29823B9EA3069AA4260654ABBECF38B74A4D40FA72D55105",
   "next_scheduled_calculation_time": "13367539611038307"
}
