{
   "epochs": [ {
      "calculation_time": "13366723578194909",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367391102483450",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0451F389BD7EE4ECCD907B1656D369C846D5B237F2DD4DAE8A6055CA18C08CA3",
   "next_scheduled_calculation_time": "13367995902483629"
}
