{
   "epochs": [ {
      "calculation_time": "13366281527955949",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366945508125274",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9849888C8B1880295CF3C7AF5B388D0D891FE578E58355CFB245DE455E3D63EF",
   "next_scheduled_calculation_time": "13367550308125882"
}
