{
   "epochs": [ {
      "calculation_time": "13366703407250001",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367367836715825",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CDEC36F3BFE91A3DA72283303017F81CE746B5F8B8F9E371735B17AF3C513651",
   "next_scheduled_calculation_time": "13367972636715984"
}
