{
   "epochs": [ {
      "calculation_time": "13366377373433731",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367042481948639",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BC5ED1ACAC777C4085E0C93CE12EB3D7DA25B04EEC5563A2661D98C90DDB08AE",
   "next_scheduled_calculation_time": "13367647281948974"
}
