{
   "epochs": [ {
      "calculation_time": "13366307551454680",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366972288668343",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5B35D1070C99782B2175C30C8ABC82543EE627483F5F552847538B581ECC0C77",
   "next_scheduled_calculation_time": "13367577088668789"
}
