{
   "epochs": [ {
      "calculation_time": "13366635914613427",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367296409340206",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2252EEAF05AB41DFBD38EF3FDF41B5B01FC422A887661B6BE7B77D3F1D8B8493",
   "next_scheduled_calculation_time": "13367901209340333"
}
