{
   "epochs": [ {
      "calculation_time": "13366373107044346",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367038228817464",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F1F287EFB604FF8537631C4B20CC60264123ECEBF898F73837C1BFBD0C534771",
   "next_scheduled_calculation_time": "13367643028817694"
}
