{
   "epochs": [ {
      "calculation_time": "13366423906184948",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367088254824070",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "91BDE888BB7B7D9ABE73B27898FD42A72E0333BA818CDDD7D9E2901EC1462E19",
   "next_scheduled_calculation_time": "13367693054824309"
}
