{
   "epochs": [ {
      "calculation_time": "13366520297106948",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367182829054314",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8B9EDB22026E2235C98C5C3903BEA5CA6860906BA2A3E025A8A25A0B0C6872EC",
   "next_scheduled_calculation_time": "13367787629054566"
}
