{
   "epochs": [ {
      "calculation_time": "13366282319606825",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366946328573553",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E543F51162FB25779452215732AD685C4E068A0DF28B36362ACAB2BC8CAC907B",
   "next_scheduled_calculation_time": "13367551128574365"
}
