{
   "epochs": [ {
      "calculation_time": "13366295356985507",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366959578809072",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "13B90CF5E6B7926C3644191396F2C96F6739DB768445E172CF73C42B2C859AA6",
   "next_scheduled_calculation_time": "13367564378809673"
}
