{
   "epochs": [ {
      "calculation_time": "13370444705528238",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376787989826297",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B898A967121C140AE3969E10F0526420CDDCAB702AE87AFC9F3D726604BA38FD",
   "next_scheduled_calculation_time": "13377392789826358"
}
