{
   "epochs": [ {
      "calculation_time": "13366665964923682",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367329229729390",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3D12D61C553F681A77C93588A65152E8D9A94C224240F6F6FED525F3E8CE60FD",
   "next_scheduled_calculation_time": "13367934029730534"
}
