{
   "epochs": [ {
      "calculation_time": "13366238485146165",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366903645003854",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "04039253E82DA58F94F211B3CDF5E49FBBE0D0976FFB0BE7C5A58BC7217A6AC4",
   "next_scheduled_calculation_time": "13367508445007171"
}
