{
   "epochs": [ {
      "calculation_time": "13370740958928531",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377807272855973",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5E99D0663BD47114D2ED48E7EF3EE67F1DF2C1E8E4FADFC4029595A679FE432F",
   "next_scheduled_calculation_time": "13378412072856019"
}
