{
   "epochs": [ {
      "calculation_time": "13366681898762993",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367345770510286",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EA321AB6E11459A33EC256B6A39698DBFCDFD01B599438B8A281004DE6B0ACF0",
   "next_scheduled_calculation_time": "13367950570510730"
}
