{
   "epochs": [ {
      "calculation_time": "13370839469934094",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378226544599718",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C47C85158FF087E369881B30153E9D0E00B6BF1568B4E300E25F1A6E8B070F6F",
   "next_scheduled_calculation_time": "13378831344599774"
}
