{
   "epochs": [ {
      "calculation_time": "13366460239039244",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367123846208570",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "06D24FE636C18CC6656ED06684D1C9EE88F75CB88D1CA70147225C97E8C51652",
   "next_scheduled_calculation_time": "13367728646208713"
}
