{
   "epochs": [ {
      "calculation_time": "13366475246800256",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367138316878222",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F47077F2235EE5A0635C18390F288F4243282D7F58491CC1C7C58FB4A18E2633",
   "next_scheduled_calculation_time": "13367743116878481"
}
