{
   "epochs": [ {
      "calculation_time": "13370693042503769",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377543238200424",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BD29FFBC04AE73EFB3EBFDB069C937463114E6C177735EEFDA59A891568F44E7",
   "next_scheduled_calculation_time": "13378148038200528"
}
