{
   "epochs": [ {
      "calculation_time": "13366789812783793",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367463532593207",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7C9D6B35C8975258CD4F94F1A0B69BD61EEBD444E285B8843323A084295C6A80",
   "next_scheduled_calculation_time": "13368068332593340"
}
