{
   "epochs": [ {
      "calculation_time": "13366305266958274",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366969733915287",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "59A661EDD1D8D674BDEB1A2DF8AF24412C78BDB3148FFB125140CDD08E090F40",
   "next_scheduled_calculation_time": "13367574533915667"
}
