{
   "epochs": [ {
      "calculation_time": "13366615511697972",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367275445404604",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3E4B7E6ACECE3BCC7E8568C6F7B4B975CE44822BDEA70261CFA02234B28A222F",
   "next_scheduled_calculation_time": "13367880245405880"
}
