{
   "epochs": [ {
      "calculation_time": "13371150395639118",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379596996386032",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9AC52B61CD3365CB1B70DEF242FF6D8303105FC2B50AA874617900515D73B1C7",
   "next_scheduled_calculation_time": "13380201796386118"
}
