{
   "epochs": [ {
      "calculation_time": "13366592039997490",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367251831125452",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "589E3224455042B4C86E0C46F050C42E5845DBCD02254F47E8D633678D09D313",
   "next_scheduled_calculation_time": "13367856631125627"
}
