{
   "epochs": [ {
      "calculation_time": "13366304176910914",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366968739129484",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8130A3AAA0F1189CCBC950BC6C8E274A3E2926EA04C918CCCF88FF37F56044DA",
   "next_scheduled_calculation_time": "13367573539130228"
}
