{
   "epochs": [ {
      "calculation_time": "13366780716489420",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367453891695252",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8D492CAA57B1FFB5D87C650748DCACFA3BCB907CE20C59E46F5A52E6EB4A3A9E",
   "next_scheduled_calculation_time": "13368058691695364"
}
