{
   "epochs": [ {
      "calculation_time": "13371091940049543",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379407650769160",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7088E912F11599F7784E6557BA93C546FA565AE23531B1BAA78464D8864D4D82",
   "next_scheduled_calculation_time": "13380012450769251"
}
