{
   "epochs": [ {
      "calculation_time": "13370763049801202",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377933665128011",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CD48AB98B17D93E82DCF552628FF5F597600F02FC0B599CD39C1B68991E64B68",
   "next_scheduled_calculation_time": "13378538465128065"
}
