{
   "epochs": [ {
      "calculation_time": "13366517946937851",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367180682530486",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F7EF6CBFF361B6634870E428F224D6CE19040A7E8E7D81A9468E61C654D88625",
   "next_scheduled_calculation_time": "13367785482530890"
}
