{
   "epochs": [ {
      "calculation_time": "13366282110815605",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366946151564907",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "046069473AC9D1375EC41D837A8BF07BD31120B61E2F698E8E240EDFEED9B8D3",
   "next_scheduled_calculation_time": "13367550951565470"
}
