{
   "epochs": [ {
      "calculation_time": "13371091653515496",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379407255343390",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0DE29958B71C4859667288539A49D00B33F2E7461A6CD15614E5EC1CC62C3A90",
   "next_scheduled_calculation_time": "13380012055343461"
}
