{
   "epochs": [ {
      "calculation_time": "13366697248209418",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367361687367128",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BE6C3547C2CFC61DC35BC6718FFD3DD163487AF9934C8BE746585282984A7DE4",
   "next_scheduled_calculation_time": "13367966487367353"
}
