{
   "epochs": [ {
      "calculation_time": "13366402650164150",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367067700073730",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "927D8CBD16F531C1FF2F8ADD156399B43E8320EE8BF9C8D1C347FDA88E8927A3",
   "next_scheduled_calculation_time": "13367672500073932"
}
