{
   "epochs": [ {
      "calculation_time": "13366224644984465",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366889501783085",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "010B78ACCFC5E256B2838E92720902DE15F0071F8FEC6B497F5B2541668979FE",
   "next_scheduled_calculation_time": "13367494301783217"
}
