{
   "epochs": [ {
      "calculation_time": "13370687240850277",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377529906166432",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9A354CD8D6C8432EF6CD6772353D0442470404E7183FAACCDCAAAB364C4CE753",
   "next_scheduled_calculation_time": "13378134706166493"
}
