{
   "epochs": [ {
      "calculation_time": "13370115366415302",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375176808463553",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3FB51B3A2A9E6B188FE70979F3DD6AFBC95F1F61E000120E73E45945D0CD38B6",
   "next_scheduled_calculation_time": "13375781608463911"
}
