{
   "epochs": [ {
      "calculation_time": "13366767635995474",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367440026950375",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2C694C87C9E1942AF6670807A7E6457ABE6BCD1E1AD6A95C14982C3CED612463",
   "next_scheduled_calculation_time": "13368044826950486"
}
