{
   "epochs": [ {
      "calculation_time": "13366769466457849",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367441920646210",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6B3211C8D33CACE083CA158B0FB57A67EF3AC33B9D8FB8D2A172925FB69A27AB",
   "next_scheduled_calculation_time": "13368046720646583"
}
