{
   "epochs": [ {
      "calculation_time": "13366713645114020",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367378232722688",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A27B23E1ADD8349BF8A77574ACE5AC1199B05E800F2BE9A014584249A903462D",
   "next_scheduled_calculation_time": "13367983032724254"
}
