{
   "epochs": [ {
      "calculation_time": "13366485740901230",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367148585393348",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "609AC3F9B5DAEBF5FCE5BB40BE8D68DECA2F5712EC559813D7A36E0ADE16F4AD",
   "next_scheduled_calculation_time": "13367753385396219"
}
