{
   "epochs": [ {
      "calculation_time": "13366602832308946",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367262553667897",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3052B4468EF31B1E35726A1C8F040069CBB8C7FA6D9C037EB07926C14D9D255C",
   "next_scheduled_calculation_time": "13367867353668331"
}
