{
   "epochs": [ {
      "calculation_time": "13370842439059102",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378231739120783",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7674747C7EAD2123DB49E50DCF5DA37D4153C7DC5B0F43DC02E1445E836D6725",
   "next_scheduled_calculation_time": "13378836539120832"
}
