{
   "epochs": [ {
      "calculation_time": "13366321463765469",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366986926548656",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D27EB25B1ADF5CE38C0E42065590A483625E040C5C1F6FF783DDA5A96920C6F0",
   "next_scheduled_calculation_time": "13367591726549051"
}
