{
   "epochs": [ {
      "calculation_time": "13370836475971074",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378217428556521",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "946B86C0750CFB75609ECBD5AA1F1F21929733FDF7E48D1E0350C25A84C71653",
   "next_scheduled_calculation_time": "13378822228556585"
}
