{
   "epochs": [ {
      "calculation_time": "13370840968696732",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378229378281866",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AF26332F5A4460B5BC4C2A12A5CCF4C89164E5E19EFE98F27939418AC0F0851A",
   "next_scheduled_calculation_time": "13378834178281918"
}
