{
   "epochs": [ {
      "calculation_time": "13370572557806936",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377188932791402",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5B839292F8215EDB611364E3E41D7D6E992C10742E3260314C53A14D71836988",
   "next_scheduled_calculation_time": "13377793732791460"
}
