{
   "epochs": [ {
      "calculation_time": "13366623702375944",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367283775676573",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E047E8B5D29BD1888AEC24D34B8E5C1CEFA82E223F37FA5901331BA09CA1FE59",
   "next_scheduled_calculation_time": "13367888575676918"
}
