{
   "epochs": [ {
      "calculation_time": "13370960323101265",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379126804193131",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FAD6E69ACD680CAF09ABDC6FEA8FD530102ECEFC086EF280FE8D54765F5DBD53",
   "next_scheduled_calculation_time": "13379731604193187"
}
