{
   "epochs": [ {
      "calculation_time": "13366797738920361",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367471525509163",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E9B463731AF6F2DA56BBC24838A213C91E0FF828A59AFB7DDF79194E5CD3687B",
   "next_scheduled_calculation_time": "13368076325509564"
}
