{
   "epochs": [ {
      "calculation_time": "13366478732759543",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367141545863886",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "97E763A4BDD1EEB43EDF5772137AE8224C198AF3A8FDCB40B3413C5A0CAC1EDB",
   "next_scheduled_calculation_time": "13367746345864473"
}
