{
   "epochs": [ {
      "calculation_time": "13370872835112476",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378362977798575",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "67F85EC8FC5FC7AE68BE96A2F2BAAE306FD420810056ED17DACD723213BC05BC",
   "next_scheduled_calculation_time": "13378967777798703"
}
