{
   "epochs": [ {
      "calculation_time": "13366317683707870",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366983114057421",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "494E2C801219B2BB2DB5F70734B6CA6B36F53EE5F4A7EA7B0FF6C030E233FBE8",
   "next_scheduled_calculation_time": "13367587914057639"
}
