{
   "epochs": [ {
      "calculation_time": "13370138545371749",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375184365919463",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "07AF1B2E2E41946185A6CAB0B2714E5CD49B3326805B356989FAAC3E0566E0DD",
   "next_scheduled_calculation_time": "13375789165919946"
}
