{
   "epochs": [ {
      "calculation_time": "13366411582964184",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367076218160724",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1578314F5B508641DE136D4371E8CBF21547ABC66C43C3DBAA0DF2292BC773ED",
   "next_scheduled_calculation_time": "13367681018161017"
}
