{
   "epochs": [ {
      "calculation_time": "13370939948729242",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379100712341702",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E1CC19EAAC68CE272537FC66B97819AC8E11E71B9F4AE0CCAB4EEDC87ACA6C5A",
   "next_scheduled_calculation_time": "13379705512341838"
}
