{
   "epochs": [ {
      "calculation_time": "13366606539140205",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367266198911751",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8E2531F45B3A69DDFAA1F1D1ED6B242F4CD3EFF9D00656E5EF8EACD6F91F29D3",
   "next_scheduled_calculation_time": "13367870998912174"
}
