{
   "epochs": [ {
      "calculation_time": "13366241950132670",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366907054308720",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "247AF0EC7A361008F059B3B1606FFE65A249CF59E45B4D7EA59B5EEB0706AC42",
   "next_scheduled_calculation_time": "13367511854309319"
}
