{
   "epochs": [ {
      "calculation_time": "13366347892768129",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367013633455748",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DDBAA1E3D66AAA6E7929B806C8E0B2E8C7D6976C42B08190F3A73192EE377400",
   "next_scheduled_calculation_time": "13367618433456365"
}
