{
   "epochs": [ {
      "calculation_time": "13371055604889111",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379301784755172",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0718BF16A986F90BDAB78D82137079B9EEA16120F232558FD4302B90E729CB40",
   "next_scheduled_calculation_time": "13379906584755245"
}
