{
   "epochs": [ {
      "calculation_time": "13366363575440234",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367028915086360",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4A67BAB6442DF3668A4F76E03B5AE8038562F9705A8155B4787442B86AC0A03E",
   "next_scheduled_calculation_time": "13367633715087410"
}
