{
   "epochs": [ {
      "calculation_time": "13366762534453455",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367434819728812",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2AF3AB9B46D59D13FC44E7FB2891F4AB74359E990F4C869E04C2E979A80C453F",
   "next_scheduled_calculation_time": "13368039619729216"
}
