{
   "epochs": [ {
      "calculation_time": "13366444199938626",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367107926128258",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5534D651DD89595CDB2412B7CD94FA4D3E96D63937E9E6C083EB9EA13DEA4E30",
   "next_scheduled_calculation_time": "13367712726128437"
}
