{
   "epochs": [ {
      "calculation_time": "13366606939778887",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367266634742389",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CF4D020B4C8B0145E4EA0AC3E84D59764A01F0EF2AB5E64F09854E7394775A16",
   "next_scheduled_calculation_time": "13367871434742512"
}
