{
   "epochs": [ {
      "calculation_time": "13366346957349628",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367012752209453",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AB28C6B61BB5DB37FDD573013825696D182C2CCFAF0C9D8B07D496272A92D8E0",
   "next_scheduled_calculation_time": "13367617552209572"
}
