{
   "epochs": [ {
      "calculation_time": "13366790069973855",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367463788963307",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "119D44D11C176B964DDF0048D0D284CC70FC2FFE6DB8986417F11F3F0087E477",
   "next_scheduled_calculation_time": "13368068588963919"
}
