{
   "epochs": [ {
      "calculation_time": "13366749409886842",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367421141508389",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BD03C68DE961AE5BDB3B713B21AAE9C436161E24559EF5A08FD06775E5A80BD8",
   "next_scheduled_calculation_time": "13368025941508527"
}
