{
   "epochs": [ {
      "calculation_time": "13366599148140128",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367258907865108",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "356C27BE6B2889F6F6397F846BDAF526ABE8D7C4E118F5336AEE1C785B3AC6F8",
   "next_scheduled_calculation_time": "13367863707866228"
}
