{
   "epochs": [ {
      "calculation_time": "13366671422060120",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367334744445152",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4E8180FE909541FA6D1B8407F2A7E4738BB7957F31B150B63BE0FE36104FADE5",
   "next_scheduled_calculation_time": "13367939544446231"
}
