{
   "epochs": [ {
      "calculation_time": "13366427181460344",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367091115801568",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "566348FE5E1755DB27B2EC72B9FF70AF1A1AD8EBCE2A86812830626F89CC0572",
   "next_scheduled_calculation_time": "13367695915802326"
}
