{
   "epochs": [ {
      "calculation_time": "13366639173176938",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367299802756721",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C05EAA1B80A27881C9FC4524CC4E27BAD58B200711239701E482D70A7DA10459",
   "next_scheduled_calculation_time": "13367904602756871"
}
