{
   "epochs": [ {
      "calculation_time": "13366528192073506",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367190523504955",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "625066F6729AC47E9CE66E88BBD0BA20D3F4EB36B1EFD38A5BA7AA98CEDB7E0D",
   "next_scheduled_calculation_time": "13367795323505725"
}
