{
   "epochs": [ {
      "calculation_time": "13366675968439552",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367339268304364",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "89D7CB97135FD57688A9EF14E2C925AC4B067296A4C5AB47F0608A91C8BB4645",
   "next_scheduled_calculation_time": "13367944068304499"
}
