{
   "epochs": [ {
      "calculation_time": "13366768055920755",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367440456951318",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B811F6EECFB3244058296FD2ECC7B961715CFB0C85D18052251F8E3548055B1C",
   "next_scheduled_calculation_time": "13368045256951774"
}
