{
   "epochs": [ {
      "calculation_time": "13366741169593152",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367412748211526",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4667405060457699859D6E70D58608498A44410B518BADCA8D6E214BFD316947",
   "next_scheduled_calculation_time": "13368017548213621"
}
