{
   "epochs": [ {
      "calculation_time": "13366510617705086",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367173369505708",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "29F44446511E1E05EB1865158EEEBCDD7C6FF57C05001EEDD379742C39C0CBCF",
   "next_scheduled_calculation_time": "13367778169505874"
}
