{
   "epochs": [ {
      "calculation_time": "13366325277066073",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366990941924402",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4A78962626671441EDB2DC8E312657B64FF54FD7C58EE959D10CE6A2CCA4528B",
   "next_scheduled_calculation_time": "13367595741925184"
}
