{
   "epochs": [ {
      "calculation_time": "13366645128602510",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367305961524455",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "772BFEC6199A4C2C3330EFD142C63A2BDCEA6686B2F5386B0933F65AE4097AC9",
   "next_scheduled_calculation_time": "13367910761524993"
}
