{
   "epochs": [ {
      "calculation_time": "13370486646012628",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376863908417997",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8445BC18F6FF8C2CDDEFDE946577E98820B9E721EADAADCDBEBB7140D0537FE2",
   "next_scheduled_calculation_time": "13377468708418132"
}
