{
   "epochs": [ {
      "calculation_time": "13366251519850082",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366916155045670",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "358AD20045D964FF90107A03973B119C4D5D0DC6E84867CB67B6F75C40932080",
   "next_scheduled_calculation_time": "13367520955045762"
}
