{
   "epochs": [ {
      "calculation_time": "13366472488359919",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367135718491487",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1E6546562C03EC1B07AD9F2D019F23C0C00DB90552B615348397CBC91F6629A3",
   "next_scheduled_calculation_time": "13367740518491889"
}
