{
   "epochs": [ {
      "calculation_time": "13366214444143475",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366879450229680",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A618D1E05F0A1C73308E4FED3A3C067A18873A98EDAF0CC340B8D52BCBE4EB96",
   "next_scheduled_calculation_time": "13367484250229816"
}
